April Weather in Kelso, United States

Last updated: June 24, 2025

In April, the average temperature in Kelso, United States hovers around 10°C (50°F). Expect conditions to vary, with minimums dropping to -1°C (30°F) and maximums peaking at 29°C (85°F). Be prepared for 125 mm (4.9 in) of precipitation spread over 16 days, along with an average humidity level of 83%.

April Temperature in Kelso

In April in Kelso, the average temperature is 10°C (50°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates April temperature patterns in Kelso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kelso, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (30°F).

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

April Precipitation in Kelso

In Kelso in April, the precipitation amount is 125 mm (4.9 in) spread over 16 days.

April Precipitation Trends in Kelso

The chart displays monthly precipitation patterns in Kelso, 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 Kelso, April typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 16 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 Kelso

In Kelso in April, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

April Average Humidity in Kelso

This chart illustrates the average monthly humidity levels in Kelso, 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 Kelso is approximately 83%, 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 Kelso

In Kelso in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Kelso, you can refer to this Hourly UV Index in Kelso.

Maximum UV Index Levels in Kelso for April

The chart shows the monthly maximum UV Index (UVI) for Kelso 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 Kelso typically reaches 6, which falls under the high exposure category.

Data source: Kelso 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 Kelso Compares to Other Months

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

This table compares monthly weather conditions in Kelso, 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 (41°F)	190 mm (7.5 inches)	86%	low
February Weather	4°C (40°F)	175 mm (6.9 inches)	84%	moderate
March Weather	7°C (45°F)	150 mm (5.9 inches)	85%	moderate
April Weather	10°C (50°F)	125 mm (4.9 inches)	83%	high
May Weather	13°C (56°F)	74 mm (2.9 inches)	84%	very high
June Weather	16°C (61°F)	59 mm (2.3 inches)	84%	very high
July Weather	18°C (65°F)	10 mm (0.4 inches)	82%	very high
August Weather	19°C (66°F)	10 mm (0.4 inches)	73%	very high
September Weather	16°C (61°F)	84 mm (3.3 inches)	74%	high
October Weather	10°C (51°F)	132 mm (5.2 inches)	83%	moderate
November Weather	7°C (45°F)	179 mm (7.0 inches)	86%	moderate
December Weather	4°C (40°F)	202 mm (8.0 inches)	87%	low