April Weather in Bethlehem, United States

Last updated: February 24, 2025

April in Bethlehem, United States, presents a fascinating blend of climate dynamics, where temperatures fluctuate between a max of 29°C (85°F) and a min of -4°C (25°F), leading to an average of 10°C (51°F). With a notable precipitation amount of 108 mm (4.2 in) over approximately 12 rainy days, the month showcases a vibrant mix of sunshine and showers. The humidity level of 83% adds to the crisp spring air, creating an invigorating atmosphere as the landscape transitions from winter's chill to the warmth of approaching summer. This interplay of temperature and moisture makes April a unique time to experience Bethlehem's evolving natural beauty.

April Temperature in Bethlehem

In April, temperatures in Bethlehem, United States begin to show a promising shift towards warmth as winter fades. The month starts with a chilly minimum of -4°C (25°F) but quickly warms up, achieving an average of 10°C (51°F) and a pleasant maximum of 29°C (85°F). This upward trend marks a significant relief from the frigid depths of January and February, where lows hit as low as -20°C (-4°F). With each passing month, the transition from harsh winter to the mildness of spring is evident, showcasing a notable increase in daytime comfort and encouraging outdoor activities as residents embrace the blooming season. It's a month that not only breathes life into the landscape but also lifts spirits, heralding the approach of warmer days ahead!

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

The chart illustrates April temperature patterns in Bethlehem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec323540516170767468574336
Data source: Temperature data for Bethlehem generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Bethlehem

In April, Bethlehem experiences a consistent precipitation level of 108 mm (4.2 in), aligning with the wetter months of February and May. With 12 days of rainfall, this month mirrors February's patterns but contributes to a gradual upward trend in precipitation as spring blossoms. Notably, the early spring months—February, March, and April—collectively show a marked increase compared to the drier winter months of January, emphasizing a shift towards a more humid climate as the year progresses. April's weather sets an engaging tone for the forthcoming warmer months, hinting at the lush greenery that follows the rains.

April Precipitation Trends in Bethlehem

The chart displays monthly precipitation patterns in Bethlehem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec721089810813910212714010912391108
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bethlehem

In April, Bethlehem experiences a slight decrease in humidity, averaging 83%, continuing a trend of diminishing moisture that began in March. This gradual drop marks the transition from the wetter winter months—where humidity peaks at 87% in January and 85% in February—to the more comfortable and drier conditions of late spring. As the temperatures rise in May, humidity levels further decline to 75%, indicating a shift towards a more pleasant atmosphere, perfect for enjoying the blooming landscapes of the season. The consistent decrease in humidity from winter to spring not only enhances outdoor activities but also signals an invitation for residents and visitors alike to embrace the refreshing changes of the season.

April Average Humidity in Bethlehem

This chart illustrates the average monthly humidity levels in Bethlehem, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bethlehem

As April unfolds in Bethlehem, the UV Index peaks at 8, signaling a shift to very high exposure levels with a reduced burn time of just 15 minutes. This notable increase from March's 6 indicates a trend towards stronger UV radiation as spring progresses. In fact, April's index marks the beginning of a season characterized by heightened sun intensity, leading into the relentless summer months ahead. With May and June both recording a maximum UV Index of 10, it's crucial for residents to prioritize sun safety as outdoor activities become more prevalent. For more details on UV levels throughout the year, visit Bethlehem UV Index.

Maximum UV Index Levels in Bethlehem for April

The chart shows the monthly maximum UV Index (UVI) for Bethlehem 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Bethlehem 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 Bethlehem

April in Bethlehem brings a delightful blend of sunshine, contributing 236 hours of daylight to the growing spring atmosphere. As winter retreats, the hours of sunshine increase dramatically, with March preceding it at 239 hours—just a hint of what’s to come. The steady rise in sunlight hours is a precursor to May, which basks in 266 hours and heralds the full bloom of spring. Notably, the sunshine trend starkly contrasts the cold, stark days of January, which barely accumulated 136 hours of light. As the months progress, this uplifting surge in sunshine not only brightens days but also rejuvenates the spirit, setting a hopeful tone for the warmer months ahead.

Monthly Sunshine Duration in Bethlehem: April Highlighted

The April sunshine duration represents the total number of hours Bethlehem 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h172h239h236h266h304h334h301h265h212h203h169h
Data source: Bethlehem April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bethlehem During April

In April, Bethlehem experiences a 42% chance of sunny weather, which marks a slight drop from the 55% seen in March but still signifies a relatively bright spring. This figure aligns closely with the consistent trends of the early months of the year, where January and February show lower probabilities of sunshine, at 38% and 27%, respectively. As spring progresses into May, the likelihood of sunny days dips slightly to 39%, suggesting a gradual stabilization of conditions as the region moves towards summer. Overall, while April may not boast the highest rates of sun, it offers a promising transition into sunnier months ahead.

Percentage of Sunny Days in April in Bethlehem

The chart illustrates the percentage of sunny days in Bethlehem 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 Bethlehem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%27%55%42%39%38%45%32%46%34%54%30%
Data source: Bethlehem April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bethlehem in April

April marks a delightful transition in Bethlehem, United States, as the daylight duration extends to an invigorating 13 hours. This increase, following the gradual climb from 11 hours in March, reflects the heartwarming arrival of spring. As nature awakens, folks can embrace longer evenings filled with outdoor activities and gatherings. The trend of elongated daylight continues into May, reaching 14 hours, before peaking in June at 15 hours. This steady rise in daylight not only enhances the vibrancy of the season but also signals the gradual shift towards summer, inviting both residents and visitors to savor the longer, sunlit days ahead.

Average Daylight Hours in Bethlehem for April

The chart illustrates the variation in daylight duration in Bethlehem throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 37m10h 39m11h 58m13h 19m14h 27m15h 1m14h 43m13h 42m12h 24m11h 4m9h 53m9h 17m
Data source: Bethlehem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Bethlehem

As April arrives in Bethlehem, United States, the average wind speed settles at 3.1 m/s (7 mph), a slight dip from the breezier conditions of March. This month serves as a gentle transition, hinting at the stillness that follows in the warmer months. Notably, April's winds are generally more robust than what’s witnessed in May, where they further decrease to 2.8 m/s (6 mph). This trend of diminishing wind speeds continues through the summer, reaching their annual lows in July and August at 2.2 m/s (5 mph). Overall, while April retains a refreshing breeze, it also signifies the start of more tranquil days ahead, indicating the annual cycle of wind patterns as they shift with the seasons.

Average April Wind Speed in Bethlehem

The chart displays monthly wind speed patterns in Bethlehem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.03.43.1 m/s2.82.32.22.12.72.62.72.7
Data source: Bethlehem April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Bethlehem Compares to Other Months

The weather in Bethlehem changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Bethlehem and find detailed weather information for every month.

April weather demonstrates a significant warming trend compared to January. While January experiences much colder temperatures, with a minimum of -20°C (-4°F) and an average of 0°C (32°F), April offers a more moderate range, where temperatures can dip to -4°C (25°F) but typically peak at a comfortable 29°C (85°F). Precipitation is higher in April, averaging 108 mm (4.2 in) over 12 days, compared to January's 72 mm (2.8 in) over just 8 days. Additionally, humidity levels in January are slightly higher at 87%, whereas April sees a humidity of 83%. For more specific details about January's climate, visit Bethlehem weather in January.

April and February display striking differences in weather patterns. In February, temperatures typically range from a frigid minimum of -19°C (-1°F) to a maximum of 25°C (77°F), with an average of just 1°C (35°F). In contrast, April offers a milder climate with minimums of -4°C (25°F) and maximums reaching up to 29°C (85°F), showcasing an average of 10°C (51°F). While both months experience the same amount of precipitation at 108 mm (4.2 in) over 12 days, April tends to feel much more humid, with an average humidity of 83% compared to February's 85%. For more details on the weather specifics in February, you can visit Bethlehem weather in February.

April's weather exhibits noticeable warming trends compared to March. The minimum temperature in April reaches a relatively mild -4°C (25°F), a significant increase from March's chilly low of -20°C (-4°F). The average temperature rises to 10°C (51°F) in April, compared to March's 5°C (40°F), while the maximum temperature in April can soar to an impressive 29°C (85°F), compared to March's peak of 26°C (78°F). Despite April experiencing a slightly higher precipitation level of 108 mm (4.2 in) over 12 days, the humidity remains consistent, hovering around 83% in April versus 85% in March. For those interested in more detailed statistics, check out Bethlehem weather in March.

April's weather displays a notable range in temperatures, with a minimum plunge down to -4°C (25°F) and a maximum peaking at 29°C (85°F). The month also experiences significant rainfall, accumulating 108 mm (4.2 in) over 12 days and maintaining a high humidity level of 83%. In contrast, May brings a warmer climate, featuring a minimum temperature of 0°C (32°F) and an average of 16°C (62°F), ultimately reaching a maximum of 33°C (91°F). However, May sees a slight increase in precipitation, totaling 139 mm (5.5 in) across 13 days, while humidity decreases to 75%. For more detailed insights, you can check out the Bethlehem weather in May.

In April, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant average of 10°C (51°F), peaking at a warm 29°C (85°F). The month experiences significant precipitation, with about 108 mm (4.2 in) falling over 12 days, and a high humidity level of 83%. In contrast, June sees milder temperatures, with a minimum of 6°C (43°F) and a much warmer average of 21°C (70°F), reaching a maximum of 35°C (94°F). Precipitation is slightly lower at 102 mm (4.0 in), also over 12 days, but humidity drops to 73%. For a closer look at what to expect, check out Bethlehem weather in June.

April and July display contrasting weather patterns. In April, temperatures fluctuate from a chilly minimum of -4°C (25°F) to a comfortable maximum of 29°C (85°F), with an average temperature of 10°C (51°F). This month experiences significant precipitation, totaling 108 mm (4.2 in) over about 12 days, paired with high humidity levels of 83%. Conversely, July boasts much warmer weather, with temperatures ranging from a minimum of 13°C (55°F) to a hot maximum of 36°C (96°F), and an average temperature of 25°C (76°F). Although July sees slightly higher precipitation at 127 mm (5.0 in) spread across the same number of days, it has a notably lower humidity level of 65%. For more details about July weather, visit Bethlehem weather in July.

April and August exhibit significant differences in weather patterns. In April, temperatures can drop to a chilly -4°C (25°F) at night, while daytime highs reach an average of 10°C (51°F) to a maximum of 29°C (85°F). The month is relatively wet, with 108 mm (4.2 in) of precipitation over 12 days and high humidity at 83%. In contrast, August offers much warmer conditions, with minimum temperatures of 11°C (52°F) and average highs around 23°C (74°F), peaking at 34°C (94°F). Although August sees slightly more precipitation at 140 mm (5.5 in) over 13 days, the humidity drops to a more comfortable 62%. For more detailed insights, you can check Bethlehem weather in August.

April and September showcase distinctly different weather patterns. In April, temperatures can dip as low as -4°C (25°F), with an average of 10°C (51°F) and a maximum reaching 29°C (85°F). The month also experiences significant precipitation, measuring 108 mm (4.2 in) over 12 days, along with high humidity at 83%. In comparison, September is generally milder, with minimum temperatures around 3°C (37°F), an average of 20°C (68°F), and maximums peaking at 33°C (92°F). Although September sees a similar amount of precipitation at 109 mm (4.3 in), it only occurs over 9 days, and the humidity drops to 66%. For more information on the detailed weather conditions in September, you can visit Bethlehem weather in September.

When comparing the weather in April and October, there are notable differences in temperature and precipitation patterns. April experiences a wider range of temperatures, with a minimum of -4°C (25°F) and a maximum that can reach up to 29°C (85°F), with an average of around 10°C (51°F). In contrast, October tends to be milder overall, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 33°C (91°F), averaging 14°C (58°F). Both months see significant precipitation, but October has slightly more, totaling 123 mm (4.8 in) over about 10 days, compared to April's 108 mm (4.2 in) over 12 days. Additionally, humidity levels are a bit lower in October at 79%, compared to April's humidity of 83%. For more information, you can visit Bethlehem weather in October.

When comparing the weather in April and November, notable differences emerge. April experiences a wide temperature range, with minimums dropping to -4°C (25°F) and maximums reaching up to 29°C (85°F), resulting in an average of 10°C (51°F). The month sees a higher frequency of rain, with precipitation occurring on about 12 days and totaling 108 mm (4.2 in), coupled with humidity levels at 83%. In contrast, November tends to be colder, with minimum temperatures dipping to -13°C (9°F) and maximums only reaching 24°C (75°F), leading to an average temperature of 6°C (43°F). This month has slightly less precipitation, with 91 mm (3.6 in) recorded over 9 days, and a marginally higher humidity at 87%. For more insights into November weather, you can check Bethlehem weather in November.

When comparing the weather in April and December, we see significant differences in temperature and conditions. April experiences milder temperatures, with averages around 10°C (51°F) and maximums reaching up to 29°C (85°F), while December is much colder, with an average of 2°C (36°F) and a maximum of only 17°C (63°F). Both months receive similar precipitation amounts, around 108 mm (4.2 in), but April boasts slightly more rainy days with 12 compared to December’s 11. Additionally, humidity levels are quite high in both months, sitting around 83% in April and 85% in December, adding to the overall dampness. For a detailed look at December weather patterns, you can refer to Bethlehem weather in December.

Compare Bethlehem's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Bethlehem

As April unfolds in Bethlehem, the weather begins to transition dramatically from the chill of winter to the warmth of spring. The maximum temperatures offer a pleasant contrast to the preceding months, while the average and even the minimum temperatures highlight the move towards milder days. Yet, this month is also notable for its increased precipitation, contributing to the lushness of the landscape. With the air's humidity peaking at 83%, the atmosphere feels vibrant and alive, setting the stage for the blooming flora. April particularly stands out as a time of change, where nature awakens from its winter slumber, making it a remarkable experience in Bethlehem. For further insights, check out Bethlehem Climate.