May Weather in Sigourney, United States

Last updated: June 24, 2025

In May, the average temperature in Sigourney, United States hovers around 17°C (63°F). Expect a temperature range with minimums dropping to 1°C (34°F) and soaring highs of 36°C (96°F). Rain is also a factor, with precipitation measuring 157 mm (6.2 in) over the course of 15 days. The air remains quite humid, with an average humidity level of 78%.

May Temperature in Sigourney

In May in Sigourney, the average temperature is 17°C (63°F), with maximums reaching up to 36°C (96°F) and minimums potentially dropping as low as 1°C (34°F). Be sure to pack layers for your trip, as the weather can vary significantly throughout the day.

May Weather in Sigourney: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sigourney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sigourney, May typically has an average temperature of 17°C (63°F), with highs reaching up to 36°C (96°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Sigourney

In Sigourney in May, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.

May Precipitation Trends in Sigourney

The chart displays monthly precipitation patterns in Sigourney, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sigourney, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Sigourney

In Sigourney in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Sigourney

This chart illustrates the average monthly humidity levels in Sigourney, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sigourney is approximately 78%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Sigourney

In Sigourney in May, 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 Sigourney.

Maximum UV Index Levels in Sigourney for May

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

Data source: Sigourney May 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 May Weather in Sigourney Compares to Other Months

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

This table compares monthly weather conditions in Sigourney, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	49 mm (1.9 inches)	81%	moderate
February Weather	-4°C (26°F)	53 mm (2.1 inches)	81%	moderate
March Weather	5°C (41°F)	87 mm (3.4 inches)	81%	high
April Weather	10°C (50°F)	78 mm (3.1 inches)	82%	very high
May Weather	17°C (63°F)	157 mm (6.2 inches)	78%	very high
June Weather	24°C (75°F)	135 mm (5.3 inches)	81%	extreme
July Weather	25°C (77°F)	70 mm (2.8 inches)	79%	very high
August Weather	23°C (74°F)	68 mm (2.7 inches)	77%	very high
September Weather	20°C (69°F)	125 mm (4.9 inches)	78%	very high
October Weather	12°C (54°F)	128 mm (5.0 inches)	78%	high
November Weather	4°C (39°F)	53 mm (2.1 inches)	87%	moderate
December Weather	0°C (32°F)	43 mm (1.7 inches)	84%	moderate