February Weather in Grinnell, United States

Last updated: June 24, 2025

In Grinnell, United States, the average temperature in February hovers around -5°C (23°F). However, temperatures can plunge as low as -32°C (-25°F), while occasionally reaching a maximum of 22°C (71°F). Expect about 48 mm (1.9 in) of precipitation spread over 8 days, contributing to an average humidity level of 80%. Stay prepared for a chilly yet captivating month!

February Temperature in Grinnell

In February in Grinnell, the average temperature is -5°C (23°F). The maximum can reach 22°C (71°F) and the minimum can be as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures, from chilly to surprisingly warm, so it's essential to pack accordingly.

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

The chart illustrates February temperature patterns in Grinnell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grinnell, February typically has an average temperature of -5°C (23°F), with highs reaching up to 22°C (71°F) and lows dropping to around -32°C (-25°F).

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

February Precipitation in Grinnell

In Grinnell in February, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.

February Precipitation Trends in Grinnell

The chart displays monthly precipitation patterns in Grinnell, 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 Grinnell, February typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Grinnell

In Grinnell in February humidity is 80%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the frosty air.

February Average Humidity in Grinnell

This chart illustrates the average monthly humidity levels in Grinnell, 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 Grinnell is approximately 80%, 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 Grinnell

In Grinnell in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Grinnell.

Maximum UV Index Levels in Grinnell for February

The chart shows the monthly maximum UV Index (UVI) for Grinnell 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 Grinnell typically reaches 5, which falls under the moderate exposure category.

Data source: Grinnell 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 Grinnell Compares to Other Months

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

This table compares monthly weather conditions in Grinnell, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	43 mm (1.7 inches)	78%	moderate
February Weather	-5°C (23°F)	48 mm (1.9 inches)	80%	moderate
March Weather	4°C (39°F)	79 mm (3.1 inches)	77%	high
April Weather	9°C (49°F)	81 mm (3.2 inches)	77%	very high
May Weather	17°C (62°F)	166 mm (6.5 inches)	77%	very high
June Weather	23°C (74°F)	133 mm (5.2 inches)	81%	extreme
July Weather	24°C (76°F)	81 mm (3.2 inches)	81%	very high
August Weather	23°C (73°F)	71 mm (2.8 inches)	77%	very high
September Weather	20°C (68°F)	118 mm (4.7 inches)	73%	very high
October Weather	11°C (53°F)	145 mm (5.7 inches)	75%	high
November Weather	3°C (38°F)	46 mm (1.8 inches)	85%	moderate
December Weather	-1°C (31°F)	38 mm (1.5 inches)	83%	moderate