April Weather in Littleton, United States

Last updated: June 24, 2025

In April, the average temperature in Littleton, United States hovers around 16°C (61°F). Expect a wide range, with minimums dropping to -1°C (31°F) and maximums soaring to 31°C (88°F). Be prepared for 104 mm (4.1 in) of precipitation spread over 11 days, and a high average humidity level of 82%—perfect for cozy indoor activities!

April Temperature in Littleton

In April in Littleton, the average temperature is 16°C (61°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -1°C (31°F). It's a great time for travelers to enjoy a mix of warm days and cool nights while exploring the beauty of Littleton.

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

The chart illustrates April temperature patterns in Littleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Littleton, April typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (31°F).

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

April Precipitation in Littleton

In Littleton in April, the precipitation amount is 104 mm (4.1 in) over the course of 11 days.

April Precipitation Trends in Littleton

The chart displays monthly precipitation patterns in Littleton, 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 Littleton, April typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 11 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 Littleton

In Littleton in April humidity is 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

April Average Humidity in Littleton

This chart illustrates the average monthly humidity levels in Littleton, 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 Littleton 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 Littleton

In Littleton 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 Littleton.

Maximum UV Index Levels in Littleton for April

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

Data source: Littleton 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 Littleton Compares to Other Months

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

This table compares monthly weather conditions in Littleton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	89 mm (3.5 inches)	84%	moderate
February Weather	8°C (47°F)	110 mm (4.3 inches)	84%	high
March Weather	11°C (52°F)	86 mm (3.4 inches)	84%	very high
April Weather	16°C (61°F)	104 mm (4.1 inches)	82%	very high
May Weather	21°C (70°F)	124 mm (4.9 inches)	82%	very high
June Weather	24°C (76°F)	128 mm (5.0 inches)	83%	extreme
July Weather	27°C (80°F)	116 mm (4.6 inches)	79%	extreme
August Weather	26°C (78°F)	151 mm (5.9 inches)	77%	very high
September Weather	23°C (74°F)	115 mm (4.5 inches)	75%	very high
October Weather	18°C (65°F)	96 mm (3.8 inches)	81%	very high
November Weather	10°C (51°F)	80 mm (3.2 inches)	87%	moderate
December Weather	8°C (46°F)	97 mm (3.8 inches)	85%	moderate