April Weather in Thomson, United States

Last updated: June 24, 2025

In April, the average temperature in Thomson, United States hovers around 9°C (48°F). Expect a temperature range with a minimum of -8°C (18°F) and a striking maximum of 28°C (82°F). The weather also brings 103 mm (4.0 in) of precipitation over 12 days, contributing to an average humidity of 82%. Stay prepared for varied weather conditions!

April Temperature in Thomson

In April in Thomson, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop to as low as -8°C (18°F). Travelers should be prepared for a wide range of weather conditions when visiting during this time.

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

The chart illustrates April temperature patterns in Thomson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thomson, April typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -8°C (18°F).

Data source: Temperature data for Thomson generated using information from the Copernicus Climate Change Service.

April Precipitation in Thomson

In Thomson in April, the precipitation amount is 103 mm (4.0 in) recorded over a span of 12 days.

April Precipitation Trends in Thomson

The chart displays monthly precipitation patterns in Thomson, 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 Thomson, April typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Thomson

In Thomson in April, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

April Average Humidity in Thomson

This chart illustrates the average monthly humidity levels in Thomson, 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 Thomson is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Thomson

In Thomson in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Thomson.

Maximum UV Index Levels in Thomson for April

The chart shows the monthly maximum UV Index (UVI) for Thomson 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 Thomson typically reaches 8, which falls under the very high exposure category.

Data source: Thomson 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 Thomson Compares to Other Months

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

This table compares monthly weather conditions in Thomson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	58 mm (2.3 inches)	81%	moderate
February Weather	-4°C (25°F)	59 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	81 mm (3.2 inches)	81%	high
April Weather	9°C (48°F)	103 mm (4.0 inches)	82%	very high
May Weather	16°C (61°F)	145 mm (5.7 inches)	78%	very high
June Weather	22°C (72°F)	136 mm (5.3 inches)	81%	very high
July Weather	24°C (76°F)	90 mm (3.6 inches)	79%	very high
August Weather	22°C (73°F)	89 mm (3.5 inches)	77%	very high
September Weather	20°C (67°F)	116 mm (4.6 inches)	78%	very high
October Weather	12°C (53°F)	113 mm (4.5 inches)	78%	high
November Weather	3°C (38°F)	49 mm (1.9 inches)	87%	moderate
December Weather	0°C (31°F)	50 mm (2.0 inches)	84%	low