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April Weather in Windham, United States

Last updated: June 24, 2025

In April, the average temperature in Windham, United States is a crisp 9°C (49°F). While it can dip as low as -5°C (23°F), there are also possibilities of warmer days reaching 29°C (84°F). Expect about 131 mm (5.2 in) of precipitation spread across 16 days, accompanied by high humidity levels averaging 87%.

April Temperature in Windham

In April in Windham, the average temperature is 9°C (49°F). The maximum can reach 29°C (84°F), while the minimum can be as low as -5°C (23°F). This variability in temperature makes Windham an intriguing destination for travelers seeking a mix of mild and contrasting weather experiences.

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

The chart illustrates April temperature patterns in Windham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Windham, April typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec293239496169747266564135
Data source: Temperature data for Windham 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 Windham

In Windham in April, the precipitation amount is 131 mm (5.2 in) during 16 days, indicating a relatively wet period for the region.

April Precipitation Trends in Windham

The chart displays monthly precipitation patterns in Windham, 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 Windham, April typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec86961071311251411401041091129491
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Windham

In Windham in April humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

April Average Humidity in Windham

This chart illustrates the average monthly humidity levels in Windham, 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 Windham is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Windham

In Windham in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Windham.

Maximum UV Index Levels in Windham for April

The chart shows the monthly maximum UV Index (UVI) for Windham 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 Windham typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Windham 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.

How April Weather in Windham Compares to Other Months

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

This table compares monthly weather conditions in Windham, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)86 mm (3.4 inches)88%moderate
February Weather0°C (32°F)95 mm (3.8 inches)88%moderate
March Weather4°C (39°F)107 mm (4.2 inches)87%high
April Weather9°C (49°F)131 mm (5.2 inches)87%very high
May Weather16°C (61°F)125 mm (4.9 inches)81%very high
June Weather21°C (69°F)141 mm (5.5 inches)83%very high
July Weather23°C (74°F)140 mm (5.5 inches)82%very high
August Weather22°C (72°F)104 mm (4.1 inches)76%very high
September Weather19°C (67°F)109 mm (4.3 inches)77%very high
October Weather13°C (56°F)112 mm (4.4 inches)82%high
November Weather5°C (41°F)94 mm (3.7 inches)89%moderate
December Weather1°C (35°F)90 mm (3.6 inches)86%low

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