February Weather in Rialto, United States

Last updated: June 24, 2025

In February, the average temperature in Rialto, United States is a mild 11°C (52°F). Expect temperature fluctuations, with minimums dipping as low as -1°C (30°F) and maximums soaring to 27°C (81°F). The month typically sees 70 mm (2.7 in) of precipitation spread over 6 days, contributing to an average humidity of 77%. Prepare for a mix of cozy and rainy days!

February Temperature in Rialto

In February in Rialto, the average temperature is 11°C (52°F). The maximum can reach 27°C (81°F), while the minimum can be as low as -1°C (30°F). This wide range of temperatures means you should pack for both warm and cold weather when traveling.

February Weather in Rialto: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Rialto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rialto, February typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around -1°C (30°F).

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

February Precipitation in Rialto

In Rialto in February, the total precipitation amount is 70 mm (2.7 in), occurring over the span of 6 days.

February Precipitation Trends in Rialto

The chart displays monthly precipitation patterns in Rialto, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Rialto, February typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

February Humidity in Rialto

In Rialto in February humidity is 77%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable if not properly dressed, as the moisture in the air amplifies the cold, leaving travelers feeling cooler than expected.

February Average Humidity in Rialto

This chart illustrates the average monthly humidity levels in Rialto, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Rialto is approximately 77%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Rialto

In Rialto in February, 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 Rialto, you can refer to this Hourly UV Index in Rialto.

Maximum UV Index Levels in Rialto for February

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

Data source: Rialto February 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 February Weather in Rialto Compares to Other Months

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

This table compares monthly weather conditions in Rialto, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (51°F)	70 mm (2.8 inches)	72%	moderate
February Weather	11°C (52°F)	70 mm (2.7 inches)	77%	high
March Weather	12°C (54°F)	75 mm (2.9 inches)	67%	very high
April Weather	16°C (61°F)	31 mm (1.2 inches)	56%	very high
May Weather	18°C (64°F)	18 mm (0.7 inches)	46%	extreme
June Weather	22°C (72°F)	3 mm (0.1 inches)	48%	extreme
July Weather	26°C (78°F)	11 mm (0.4 inches)	46%	extreme
August Weather	26°C (79°F)	10 mm (0.4 inches)	42%	extreme
September Weather	23°C (74°F)	10 mm (0.4 inches)	52%	very high
October Weather	19°C (66°F)	11 mm (0.4 inches)	58%	very high
November Weather	15°C (59°F)	28 mm (1.1 inches)	66%	moderate
December Weather	11°C (51°F)	70 mm (2.7 inches)	74%	moderate