Trøndelag Climate

Last updated: January 18, 2025

Trøndelag, Norway, exhibits a diverse climate characterized by Köppen-Geiger climate classifications of Cfc, Dfc, and ET, indicative of distinct seasonal variations. The region experiences harsh winters, with temperatures plummeting to -33°C (-28°F) in March, while summer brings a notable warmth with an average temperature of 5°C (42°F), peaking at a maximum of 33°C (92°F) in July. This climatic variability shapes the region's unique ecosystems and influences community practices, providing a rich tapestry of environmental conditions that are crucial for understanding its natural and cultural landscapes.

Trøndelag temperature by month

Trøndelag, Norway, experiences marked seasonal temperature fluctuations throughout the year, reflecting its continental climate. Winter months, particularly January through March, are characterized by significantly low temperatures, with March recording a chilling minimum of -33°C (-28°F), while average values hover around -2°C (28°F). As spring approaches in April and May, a noticeable warming trend emerges, with temperatures rising toward an average of 8°C (46°F) and maximums reaching 27°C (81°F) by late May. The summer season sees the warmest temperatures, with July peaking at a maximum of 33°C (92°F) and maintaining an average of 14°C (58°F). As autumn sets in, temperatures gradually decline, with September still enjoying mild conditions before dipping sharply in October and November, where early winter sets in with averages dropping back to around 1°C (35°F). By December, the region returns to its cold winter temperatures, completing the cycle and highlighting Trøndelag's distinct seasonal dynamics.

Monthly Temperatures in Trøndelag, Norway

The chart illustrates Trøndelag's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec282832384655585550423430
Data source: Trøndelag temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Oppdal experiences a minimum temperature of -33°C (-28°F) in March and a maximum of 27°C (80°F) in July, showcasing a significant seasonal temperature range (monthly temperatures in Oppdal). In Trondheim, February sees a minimum of -25°C (-12°F) while July can reach up to 33°C (92°F), highlighting its warm summer months (monthly temperatures in Trondheim). Roros has a minimum temperature of -30°C (-21°F) in March and peaks at 28°C (82°F) in June, indicating a mild summer compared to the winter extremes (monthly temperatures in Roros).

Precipitation Patterns in Trøndelag

Trøndelag, Norway, experiences a varied precipitation pattern throughout the year, with January beginning the year with 123 mm (4.9 in), characterized by frequent rain and snow across 15 days. March emerges as the wettest month, receiving 134 mm (5.3 in) of precipitation over 18 days as spring begins to take hold. The transition to warmer months in April and May sees a slight reduction in rainfall, with totals of 114 mm (4.5 in) and 79 mm (3.1 in), respectively, despite a consistent number of rainy days.

As summer arrives, precipitation remains relatively stable, with June and July recording 107 mm (4.2 in) and 102 mm (4.0 in), respectively. The wettest months peak during late summer and fall, with August experiencing 142 mm (5.6 in) and September seeing the highest monthly total of 162 mm (6.4 in) over 18 days. The autumn months also contribute substantial rainfall, with October and November yielding 150 mm (5.9 in) and 112 mm (4.4 in), while December rounds out the year with 128 mm (5.0 in). This seasonal variability highlights Trøndelag's resilience and adaptability to changing weather patterns.

Monthly Average Precipitation in Trøndelag, Norway

The average monthly precipitation in Trøndelag, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec1239213411479107102142162150112128
Data source: Trøndelag precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Trøndelag

In Trøndelag, Norway, sunshine duration displays a marked seasonal trend, with notable increases as winter transitions into spring and summer. The year begins with a mere 53 hours of sunshine in January, which gradually rises to 153 hours in February. By March, sunlight begins to extend significantly, with hours reaching 246, and this upward trend continues vigorously into April, where residents enjoy 324 hours. The transition into summer brings peak sunshine levels, with May providing 416 hours, followed closely by June and July, which offer 417 hours and an impressive 438 hours, respectively. This period is characterized by long daylight hours and vibrant outdoor activities as the region basks in its most sunlit phase.

As summer wanes and autumn approaches, the amount of sunlight starts to decline, though August still retains a healthy 365 hours. September marks a significant drop to 261 hours as conditions begin to shift. The decreasing trend continues into October, yielding 194 hours, and the darker months of late autumn settle in, bringing 108 hours of sunshine in November and a stark low of 50 hours in December. This annual ebb and flow of sunlight illustrates not only the beauty of Trøndelag's changing seasons but also the challenges that shorter days present, particularly during winter when daylight is notably scarce.

Monthly Sunshine in Trøndelag, Norway

Monthly sunshine duration represents the total hours of direct sunlight Trøndelag receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec53h153h246h324h416h417h438h365h261h194h108h50h
Data source: Trøndelag sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Trøndelag UV Index Trends

The UV Index in Trøndelag, Norway, illustrates a clear seasonal pattern, closely tied to sunlight availability. During the winter months of January and February, the UV Index remains low at 1 and 2, respectively, with a prolonged burn time of 45 minutes—indicating minimal risk for skin damage during outdoor activities. March heralds a slight elevation to a moderate 3 on the index, suggesting an increasing sensitivity to UV radiation as days grow longer. By April, the UV Index rises to 5, signifying a moderate risk, coupled with a consistent burn time of 30 minutes as the region transitions into spring.

The most significant rise in UV exposure occurs during the summer months, where the index peaks at 7 in both June and July, categorized as high risk with a reduced burn time of just 25 minutes. August witnesses a decline to a moderate 5, followed by a further decrease to 4 in September, still necessitating cautious sun exposure. As autumn progresses, the UV Index retreats to low levels again, dipping back to 2 in October and remaining at 1 through November and December. This seasonal fluctuation emphasizes the importance of sun safety measures, especially for residents and visitors enjoying the vibrant summer months in Trøndelag.

Monthly Maximum UV Index for Trøndelag, Norway

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Trøndelag. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123567754211
Data source: Trøndelag UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Trøndelag

In Trøndelag, Norway, daylight duration varies dramatically throughout the year, reflecting the region's northern latitude. The year begins with just 5 hours of daylight in January, gradually increasing to 8 hours in February as the sun's presence begins to assert itself. March signals a more notable change, with daylight extending to 11 hours, and by April, the hours reach 15 as spring unfolds, bringing longer and brighter days. This trend continues into the summer months, where May enjoys 18 hours of daylight, and June peaks at an impressive 20 hours, enveloping the region in a lengthy embrace of sunlight.

As summer transitions to autumn, daylight hours begin a steady decline. In July, daylight remains abundant at 19 hours, but by August, it drops to 16 hours, foreshadowing the approaching fall. September brings 12 hours before a more significant reduction in October to 9 hours. The descent into winter is stark, with November offering only 6 hours of daylight and December plunging to just 4 hours. This variability not only underscores Trøndelag's unique seasonal charms but also influences the lifestyle and activities of its residents as they adapt to the rhythm of nature's light.

Average Monthly Daylight Hours in Trøndelag, Norway

This chart shows the total daylight hours Trøndelag receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec337h516h709h905h1100h1233h1158h969h774h581h392h270h
Data source: Trøndelag daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Trøndelag's Popular Destinations

Hegra, Norway experiences a diverse climate with cold, snowy winters and mild summers. January and February are the coldest months, with temperatures dropping as low as -24°C (-11°F), while July is the warmest, reaching highs of 32°C (89°F). Precipitation is quite frequent throughout the year, peaking in August and September, with averages around 144 mm (5.7 in). Sunshine hours vary significantly, with July having the most sunlight at 421 hours. For more detailed information, visit Hegra climate.

Kyrksaeterora, Norway experiences a temperate climate with cold winters and mild summers. January and February see minimum temperatures dropping to around -18°C (0°F) and average temperatures hovering around -1°C (30°F). The warmer months of June and July reach averages of 13°C (56°F) and 14°C (58°F), with maximum temperatures soaring up to 32°C (89°F). Precipitation is highest in the fall, notably in September and October, averaging over 160 mm (6.3 in). For more detailed information, visit Kyrksaeterora climate.

The climate in Leknes, Norway, is characterized by cold winters and mild summers. January temperatures range from -10°C to 9°C, with significant snowfall, while July boasts temperatures between 6°C and 31°C, marked by longer daylight hours. Precipitation is highest from September to November, averaging over 200 mm per month, alongside fluctuating sunshine hours, peaking at 479 hours in July. As the seasons change, Leknes experiences a striking contrast between the dark, snowy winters and bright, sunny summers. For more details, visit Leknes climate.

Oppdal, Norway experiences a harsh, cold climate with significant temperature variations throughout the year. Winters are particularly frigid, with January and February averaging around -8°C (18°F), while summer months like July see warmer averages of approximately 11°C (52°F). Precipitation is highest during the summer, peaking in August with 115 mm (4.5 in), and declines in the colder months. Sunshine is abundant in the summer, with July receiving around 446 hours of sunlight, in stark contrast to January's mere 65 hours. For more detailed information, visit Oppdal climate.

Røros, Norway experiences a typical subarctic climate, characterized by long, cold winters and short, mild summers. January and February are the coldest months, with average temperatures around -7°C (20°F) and lows reaching -30°C (-21°F). Precipitation is fairly consistent throughout the year, peaking in August with about 101 mm (4.0 in), while sunshine hours reach their maximum in July at 450 hours. The transition from winter to summer brings a gradual increase in temperatures and daylight, making it a picturesque location for seasonal changes. For more details, visit Roros climate.

Sandvika, Norway, experiences a diverse climate characterized by cold winters and mild summers. Temperatures can drop as low as -28°C in February, with average winter temperatures around -5°C to -6°C, while summers see averages of 11°C to 13°C in June and July. Precipitation is relatively high, particularly in the winter months, with January and March receiving around 132 mm. Sunshine hours peak in summer, exceeding 400 hours in July, while winter offers only sparse sunshine, particularly in December with just 17 hours. For more details, visit Sandvika climate.

Steinsdalen, Norway, experiences a diverse climate throughout the year, with cold winters and mild summers. January and February see average temperatures hovering around 0°C (32°F), while July and August peak at comfortable averages of 14°C (58°F) and 13°C (56°F), respectively. Precipitation is abundant, particularly in September (229 mm) and August (158 mm), while sunshine reaches its maximum in July with 465 hours. Visitors can expect significant snow in winter, transitioning to greener landscapes in warmer months. For more detailed information, visit Steinsdalen climate.

Trondheim, Norway, experiences a diverse climate characterized by cold winters and mild summers. January and February see the lowest temperatures, with minimums plunging to -25°C (-12°F) and considerable precipitation, particularly in March with 111 mm (4.4 in). The warmer months from May to July feature average highs reaching up to 16-27°C (60-80°F) and substantial sunshine, peaking with 431 hours in July. The transition into autumn brings cooler temperatures and increased rainfall, particularly in September and October, with averages around 124 mm (4.9 in) and 123 mm (4.8 in), respectively. For more details, visit Trondheim climate.

Conclusion

In conclusion, the climate of Trøndelag, Norway, is characterized by its distinct seasonal variations in temperature, precipitation, UV exposure, and daylight duration. The region's cold winters gradually give way to warm summers, marked by significant daylight hours and higher UV indexes, which necessitate careful sun exposure practices. As residents and visitors navigate through the year, the interplay of these climatic elements shapes their experiences and interactions with the stunning landscapes of Trøndelag. Understanding these patterns is essential for not only appreciating the natural beauty of the area but also for making informed decisions about outdoor activities and overall well-being throughout the changing seasons.

Discover the Climate of Trøndelag's Places

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