May Weather in Belfair, United States

Last updated: June 24, 2025

In Belfair, United States, the average temperature in May hovers around 13°C (56°F), with a minimum reaching 6°C (42°F) and a maximum soaring to 27°C (80°F). Expect about 67 mm (2.6 in) of precipitation over 12 days, contributing to a high average humidity of 84%.

May Temperature in Belfair

In May in Belfair, the average temperature is 13°C (56°F). The maximum can reach 27°C (80°F), while the minimum can be as low as 6°C (42°F). This makes Belfair an ideal destination for travelers seeking mild weather and pleasant outdoor experiences.

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

The chart illustrates May temperature patterns in Belfair, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belfair, May typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (80°F) and lows dropping to around 6°C (42°F).

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

May Precipitation in Belfair

In Belfair in May, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

May Precipitation Trends in Belfair

The chart displays monthly precipitation patterns in Belfair, 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 Belfair, May typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 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 Belfair

In Belfair in May, humidity is 84%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel cooler and more uncomfortable for traveling, as the air clings to your skin and weighs you down with a sense of heaviness.

May Average Humidity in Belfair

This chart illustrates the average monthly humidity levels in Belfair, 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 Belfair is approximately 84%, 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 Belfair

In Belfair in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Belfair.

Maximum UV Index Levels in Belfair for May

The chart shows the monthly maximum UV Index (UVI) for Belfair 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 Belfair typically reaches 8, which falls under the very high exposure category.

Data source: Belfair 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 Belfair Compares to Other Months

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

This table compares monthly weather conditions in Belfair, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	179 mm (7.0 inches)	86%	low
February Weather	5°C (42°F)	146 mm (5.7 inches)	84%	moderate
March Weather	7°C (45°F)	119 mm (4.7 inches)	85%	moderate
April Weather	10°C (50°F)	102 mm (4.0 inches)	83%	high
May Weather	13°C (56°F)	67 mm (2.6 inches)	84%	very high
June Weather	16°C (62°F)	64 mm (2.5 inches)	84%	very high
July Weather	19°C (67°F)	26 mm (1.0 inches)	82%	very high
August Weather	20°C (68°F)	24 mm (0.9 inches)	73%	very high
September Weather	17°C (63°F)	90 mm (3.6 inches)	74%	high
October Weather	12°C (54°F)	145 mm (5.7 inches)	83%	moderate
November Weather	9°C (48°F)	181 mm (7.1 inches)	86%	moderate
December Weather	6°C (43°F)	194 mm (7.6 inches)	87%	low