April Weather in Notodden, Norway

Last updated: August 27, 2025

In Notodden, Norway, April showcases a captivating blend of seasonal transition, with temperatures ranging from a chilly minimum of -14°C (7°F) to a pleasant maximum of 21°C (70°F). The average temperature settles at a brisk 4°C (39°F), hinting at the lingering chill of winter. Throughout the month, residents and visitors experience 44 mm (1.7 in) of precipitation over 7 days, contributing to an overall humidity level of 83%. This period reflects the region's unpredictable weather, combining elements of both spring and lingering winter, making it a unique time to witness the vibrant changes in Notodden's landscape.

April Temperature in Notodden

In April, Notodden, Norway, begins to shake off the deep freeze of winter, with temperatures gradually rising and heralding the arrival of spring. The month opens with minimum temperatures around -14°C (7°F), but daytime warmth quickly pushes averages to a more pleasant 4°C (39°F). As the days progress, the maximum temperatures can leap to 21°C (70°F), providing a stark contrast to the cold depths of earlier months. This trend reflects a broader shift in the climate, as the sharp chill of winter transforms into a rejuvenating warmth, inviting locals and visitors alike to enjoy the blossoming scenery and longer daylight hours. April in Notodden is truly a month of transition, where the lingering cold gives way to the vibrant signs of spring.

April Weather in Notodden: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Notodden, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Notodden, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec252631394959615851423427
Data source: Temperature data for Notodden generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Notodden

In April, Notodden experiences a significant decrease in precipitation, recording only 44 mm (1.7 in) over 7 days, making it one of the driest months in the year. This marks a noticeable dip from the 80 mm (3.2 in) observed in March, indicating a transition towards drier conditions as spring takes hold. The reduction in both precipitation amount and days of rainfall compared to the earlier months suggests a trend towards sunnier days, setting the stage for the increased rainfall that typically arrives in May and June. As nature awakens in this month, the lower precipitation levels allow for clearer skies and the promise of blooming landscapes ahead.

April Precipitation Trends in Notodden

The chart displays monthly precipitation patterns in Notodden, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Notodden, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7175804489106116100129136114125
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Notodden

In April, Notodden, Norway, experiences a noticeable decline in humidity, dropping to 83% from the higher levels of winter. This shift signifies the transition into spring, where the damp chill of winter begins to recede. Following the pattern established in earlier months, April's humidity is consistent with the gradual decrease observed since January, where humidity peaked at a robust 93%. As the season progresses into May, the humidity continues to lower to 75%, setting the stage for the drier, warmer months ahead. This gradual trend highlights Notodden's unique climate, where the interplay of seasons brings significant changes in moisture levels, creating a refreshing atmosphere as nature awakens.

April Average Humidity in Notodden

This chart illustrates the average monthly humidity levels in Notodden, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Notodden is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Notodden

As spring unfolds in Notodden, Norway, April's UV Index reaches a moderate level of 4, signaling an increase in sun exposure compared to the earlier months. While earlier in the year, UV levels remained low with indices of 1 and 2 in January and February, respectively, they gradually climbed to a moderate 3 in March. This trend continues into April, with a burn time of just 30 minutes as the sun becomes more potent. Anticipating the warmer months ahead, May is expected to see an even higher UV Index of 5, but April serves as a gentle reminder to start taking sun protection seriously. To stay informed and plan accordingly, check out the details at Notodden UV Index.

Maximum UV Index Levels in Notodden for April

The chart shows the monthly maximum UV Index (UVI) for Notodden in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Notodden typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Notodden April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Notodden

As April graces Notodden, Norway, a notable shift towards brighter days emerges, with the city basking in 368 hours of sunshine—a marked increase from the previous months. Following the crisp, dark winter days of January and February, which offered a mere 95 and 178 hours of sunlight respectively, March already started to hint at spring's arrival with 291 hours. However, April truly embodies this transition, paving the way for even sunnier months ahead, as May and June promise to deliver 419 and 441 hours of golden rays. This upward trend not only signifies the arrival of warmer days but also reflects the gradual awakening of nature, inviting residents and visitors alike to revel in the vibrant beauty of springtime in Notodden.

Monthly Sunshine Duration in Notodden: April Highlighted

The April sunshine duration represents the total number of hours Notodden experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec95h178h291h368h419h441h470h397h274h222h132h93h
Data source: Notodden April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Notodden During April

April in Notodden, Norway, heralds a notable shift in sunshine, boasting a 57% chance of sunny weather—a refreshing increase compared to the chillier months of winter and early spring. After grappling with January's 34% and March's 42%, residents can finally revel in more optimistic daylight as spring fully awakens. This upswing in sunshine is particularly welcome after the gloomy gloom of February and March, setting the stage for an ideal backdrop for outdoor activities. Interestingly, the likelihood of sunny days peaks in April before dipping again in May to a mere 24%, highlighting April as a crucial month for soaking up that precious spring sunshine.

Percentage of Sunny Days in April in Notodden

The chart illustrates the percentage of sunny days in Notodden throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Notodden experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%43%42%58%24%34%40%36%24%28%23%28%
Data source: Notodden April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Notodden in April

As April unfolds in Notodden, Norway, residents eagerly embrace the longer days, with daylight stretching to 14 hours—a notable increase from the 11 hours experienced in March. This shift signals a vibrant transition into spring, where longer evenings invite outdoor activities and social gatherings. The increasing daylight hours continue their upward trajectory through May and June, reaching a peak of 18 hours in mid-summer. This seasonal pattern not only enhances the city's natural beauty but also influences the rhythm of daily life, fostering an atmosphere of rejuvenation and connection as the days grow brighter and warmer.

Average Daylight Hours in Notodden for April

The chart illustrates the variation in daylight duration in Notodden throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 57m9h 13m11h 52m14h 33m17h 3m18h 28m17h 42m15h 24m12h 46m10h 6m7h 36m6h 11m
Data source: Notodden daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Notodden

In April, Notodden experiences a subtle increase in wind speed, rising to an average of 2.4 m/s (5 mph), making it one of the breezier months of the year. This marks a noteworthy departure from the preceding winter months, where winds hovered around the 2.0 m/s mark. As the chill of winter gives way to the freshness of spring, April's winds are often a welcome refreshment, hinting at the vibrant energy that blooms alongside the season. Interestingly, the wind speeds in April slightly outpace those of both March and the following month, May, suggesting a transitional period where nature stirs to life, propelled by the gentle yet invigorating currents in the air.

Average April Wind Speed in Notodden

The chart displays monthly wind speed patterns in Notodden, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.92.32.4 m/s1.91.91.82.01.92.32.01.9
Data source: Notodden April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Notodden Compares to Other Months

Weather in Notodden varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Notodden, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January exhibit starkly contrasting weather patterns. In April, temperatures range from a chilly minimum of -14°C (7°F) to a comfortable maximum of 21°C (70°F), with an average of 4°C (39°F). The month sees a total precipitation of 44 mm (1.7 in) over about 7 days, accompanied by a humidity level of 83%. In contrast, January typically experiences much colder temperatures, with a minimum of -21°C (-5°F), average of -4°C (25°F), and a maximum of 9°C (49°F). January also receives more precipitation, totaling 71 mm (2.8 in) over 9 days and a higher humidity level of 93%. For more detailed information about January weather specifics, you can visit Notodden weather in January.

When comparing the weather between April and February, notable differences are evident. In April, temperatures range from a chilly minimum of -14°C (7°F) to a pleasant maximum of 21°C (70°F), with an average of 4°C (39°F). In contrast, February experiences even colder conditions, with temperatures dropping as low as -19°C (-2°F) and peaking at just 10°C (49°F), averaging around -3°C (26°F). Additionally, April sees less precipitation at 44 mm (1.7 in) over 7 days, while February records higher rainfall of 74 mm (2.9 in) across 11 days, contributing to a higher humidity level of 91%. For a detailed look at February's weather in Notodden, refer to Notodden weather in February.

April's weather shows a noticeable warming trend compared to March. The minimum temperature in April is -14°C (7°F), compared to March's colder -20°C (-3°F), while the average temperature rises significantly from -1°C (31°F) in March to 4°C (39°F) in April, peaking at a maximum of 21°C (70°F). Additionally, April experiences less precipitation, with 44 mm (1.7 in) over 7 days, compared to March's heavier 80 mm (3.2 in) across 10 days. Humidity levels in April are slightly lower at 83%, down from 88% in March. For a more detailed look at March's weather, visit Notodden weather in March.

April and May present notable differences in weather patterns. In April, temperatures range from a chilly minimum of -14°C (7°F) to a mild maximum of 21°C (70°F), with an average temperature of 4°C (39°F). The month sees approximately 44 mm (1.7 in) of precipitation over seven days, coupled with high humidity at 83%. In contrast, May witnesses warmer temperatures, with a minimum of -12°C (10°F) and a maximum reaching 26°C (80°F), leading to an average of 9°C (49°F). However, May experiences increased precipitation, amounting to 89 mm (3.5 in) over 13 days, but the humidity is lower at 75%. For more detailed insights into May's weather patterns, please visit Notodden weather in May.

April and June exhibit distinct weather patterns that reflect the transition from early spring to early summer. In April, temperatures range from a chilly minimum of -14°C (7°F) to a comfortable maximum of 21°C (70°F), with an average of 4°C (39°F). Conversely, June enjoys much milder conditions, with temperatures ranging from a minimum of 2°C (36°F) to a warm maximum of 28°C (83°F) and an average of 15°C (59°F). While April experiences less precipitation at 44 mm (1.7 in) over 7 days, June sees a significant increase in rainfall, totaling 106 mm (4.2 in) over 12 days. Additionally, humidity levels are higher in April at 83%, compared to June's more comfortable 74%. For more detailed insights on June weather in Notodden, you can visit Notodden weather in June.

April and July present quite different weather profiles. In April, temperatures range from a chilly -14°C (7°F) at night to a more pleasant 21°C (70°F) during the day, with an average temperature of 4°C (39°F). The month has a high humidity of 83% and experiences about 44 mm (1.7 in) of precipitation over approximately 7 days. In contrast, July offers a much warmer climate, with minimum temperatures of 5°C (42°F) and maximums reaching 30°C (86°F), averaging around 16°C (61°F). The summer month sees increased rainfall, totaling 116 mm (4.6 in) over 12 days, but humidity is lower at 74%. For more details on July's weather, check out Notodden weather in July.

April and August showcase distinct differences in weather, reflecting the transition from spring to late summer. In April, temperatures range from a chilly minimum of -14°C (7°F) to a comfortable maximum of 21°C (70°F), with an average of around 4°C (39°F). The month sees about 44 mm (1.7 in) of precipitation over approximately 7 days, coupled with a high humidity level of 83%.

Conversely, August experiences milder temperatures, ranging from a minimum of 3°C (39°F) to a maximum of 25°C (78°F), with an average temperature of 14°C (58°F). It also brings more substantial rainfall, accumulating around 100 mm (3.9 in) across 12 days, although the humidity is slightly lower at 78%. For more insights into the typical weather conditions during this month, you can check Notodden weather in August.

April and September showcase distinct weather patterns, reflecting the seasonal transition from winter to autumn. In April, temperatures range from a chilly minimum of -14°C (7°F) to a pleasant maximum of 21°C (70°F), with an average of about 4°C (39°F). The month experiences moderate precipitation of 44 mm (1.7 in) over approximately 7 days, contributing to a relatively high humidity level of 83%.

In contrast, September offers milder temperatures, with a minimum of 0°C (33°F) and a maximum reaching 24°C (76°F), alongside an average of 11°C (52°F). However, it sees significantly more precipitation, totaling 129 mm (5.1 in) over 14 days, and a slightly higher humidity of 86%. For a more detailed look at the weather characteristics, you can check Notodden weather in September.

April and October present contrasting weather patterns. In April, temperatures fluctuate from a chilly minimum of -14°C (7°F) to a more comfortable maximum of 21°C (70°F), with an average of around 4°C (39°F). The month sees approximately 44 mm (1.7 in) of precipitation over 7 days, accompanied by a humidity level of 83%. In contrast, October experiences milder temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 17°C (63°F), with an average of 6°C (42°F). However, it is significantly wetter, with 136 mm (5.4 in) of rainfall spread over 16 days and a higher humidity level of 92%. For more details on October weather, visit Notodden weather in October.

April and November exhibit notable differences in weather patterns. In April, temperatures range from a minimum of -14°C (7°F) to a maximum of 21°C (70°F), with an average of 4°C (39°F). The month sees about 44 mm (1.7 inches) of precipitation over roughly 7 days, accompanied by a humidity level of 83%. In contrast, November experiences cooler temperatures, with a maximum of only 13°C (55°F) and an average temperature of 1°C (34°F), while also reaching the same chilling minimum of -14°C (7°F). This month is significantly wetter, recording about 114 mm (4.5 inches) of precipitation over 13 days and higher humidity at 92%. For more insights on the weather patterns in this month, refer to Notodden weather in November.

April and December present stark contrasts in weather conditions. In April, temperatures range from a chilly minimum of -14°C (7°F) to a pleasant average of 4°C (39°F), peaking at a comfortable max of 21°C (70°F). This month witnesses relatively low precipitation at 44 mm (1.7 in) over about seven days, accompanied by a humidity level of 83%. In contrast, December is much colder, featuring temperatures that dip to a minimum of -16°C (4°F) and an average of -3°C (27°F), with a maximum of only 8°C (47°F). It experiences higher precipitation, totaling 125 mm (4.9 in) across 15 days and a humidity of 92%. These differences illustrate the transition from the mild spring thaw of April to the depths of winter typical in December. For more specific insights, you can explore Notodden weather in December.

Compare Notodden's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Notodden

April in Notodden marks a distinct transition from the lingering chill of winter to the beginnings of spring, showcasing a dynamic range of temperatures that can surprise residents and visitors alike. With a maximum reaching up to 21°C (70°F) and an average of 4°C (39°F), the month presents a refreshing warmth compared to the colder preceding months but can still dip to a frosty -14°C (7°F) overnight. The increased humidity at 83%, alongside approximately 44 mm of rain spread over seven days, contributes to a vibrant atmosphere that breathes life into the emerging flora. This blend of warmth and moisture sets April apart, making it a month of renewal and growth in Notodden. For more detailed insights into the weather patterns, visit Notodden Climate.