May Weather in Sultan, United States

Last updated: June 24, 2025

In May, the average temperature in Sultan, United States hovers around 11°C (52°F), with a minimum dipping to 0°C (32°F) and a maximum reaching 27°C (81°F). Expect a notable precipitation amount of 112 mm (4.4 in) spread over approximately 14 days, and prepare for a relatively high average humidity of 81%.

May Temperature in Sultan

In May in Sultan, the average temperature is 11°C (52°F), with maximums reaching 27°C (81°F) and minimums dropping to as low as 0°C (32°F). This mix of mild and cool temperatures makes it a perfect time for travelers to enjoy outdoor activities while being prepared for temperature fluctuations.

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

The chart illustrates May temperature patterns in Sultan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sultan, May typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (81°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Sultan

In Sultan in May, the precipitation amount is 112 mm (4.4 in) spread over 14 days.

May Precipitation Trends in Sultan

The chart displays monthly precipitation patterns in Sultan, 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 Sultan, May typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 14 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 Sultan

In Sultan in May humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

May Average Humidity in Sultan

This chart illustrates the average monthly humidity levels in Sultan, 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 Sultan is approximately 81%, 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 Sultan

In Sultan 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 Sultan.

Maximum UV Index Levels in Sultan for May

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

Data source: Sultan 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 Sultan Compares to Other Months

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

This table compares monthly weather conditions in Sultan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	261 mm (10.3 inches)	86%	low
February Weather	1°C (34°F)	303 mm (11.9 inches)	86%	moderate
March Weather	4°C (39°F)	202 mm (7.9 inches)	87%	high
April Weather	7°C (45°F)	182 mm (7.2 inches)	84%	high
May Weather	11°C (52°F)	112 mm (4.4 inches)	81%	very high
June Weather	14°C (57°F)	102 mm (4.0 inches)	82%	very high
July Weather	16°C (62°F)	40 mm (1.6 inches)	79%	very high
August Weather	17°C (62°F)	30 mm (1.2 inches)	63%	very high
September Weather	14°C (57°F)	136 mm (5.4 inches)	62%	high
October Weather	8°C (46°F)	261 mm (10.3 inches)	83%	moderate
November Weather	5°C (41°F)	301 mm (11.8 inches)	89%	moderate
December Weather	2°C (36°F)	300 mm (11.8 inches)	88%	low