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April Weather in Reservoir, United States

Last updated: June 24, 2025

In April, the average temperature in Reservoir, United States is a crisp 9°C (49°F), with temperatures ranging from a chilly -6°C (22°F) to a warm 27°C (81°F). You'll also encounter 115 mm (4.5 in) of precipitation over approximately 15 days, contributing to an average humidity of 88%. Prepare for a mix of cool days and vibrant, rainy moments!

April Temperature in Reservoir

In April in Reservoir, the average temperature is 9°C (49°F). Maximum temperatures can reach 27°C (81°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates April temperature patterns in Reservoir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reservoir, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec283238485967737165543933
Data source: Temperature data for Reservoir 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 Reservoir

In Reservoir in April, the total precipitation amount is 115 mm (4.5 in) over a span of 15 days.

April Precipitation Trends in Reservoir

The chart displays monthly precipitation patterns in Reservoir, 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 Reservoir, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7311296115139117119971301148097
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Reservoir

In Reservoir in April, humidity is 88%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

April Average Humidity in Reservoir

This chart illustrates the average monthly humidity levels in Reservoir, 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 Reservoir is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Reservoir

In Reservoir 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 Reservoir.

Maximum UV Index Levels in Reservoir for April

The chart shows the monthly maximum UV Index (UVI) for Reservoir 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 Reservoir typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Reservoir 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 Reservoir Compares to Other Months

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

This table compares monthly weather conditions in Reservoir, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)73 mm (2.9 inches)89%moderate
February Weather0°C (32°F)112 mm (4.4 inches)90%moderate
March Weather3°C (38°F)96 mm (3.8 inches)89%high
April Weather9°C (49°F)115 mm (4.5 inches)88%very high
May Weather15°C (60°F)139 mm (5.5 inches)80%very high
June Weather20°C (68°F)117 mm (4.6 inches)79%very high
July Weather23°C (73°F)119 mm (4.7 inches)74%very high
August Weather22°C (71°F)97 mm (3.8 inches)64%very high
September Weather18°C (65°F)130 mm (5.1 inches)67%very high
October Weather12°C (54°F)114 mm (4.5 inches)81%high
November Weather4°C (39°F)80 mm (3.1 inches)89%moderate
December Weather1°C (33°F)97 mm (3.8 inches)88%moderate

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