May Weather in Blaine, United States

Last updated: June 24, 2025

In May, the average temperature in Blaine, United States hovers around 15°C (59°F). However, prepare for a range, as temperatures can dip to a chilly -1°C (31°F) or soar to a sweltering 36°C (96°F). Expect about 114 mm (4.5 in) of precipitation over 11 days, contributing to a 78% average humidity that can make the air feel quite heavy.

May Temperature in Blaine

In May in Blaine, the average temperature is 15°C (59°F). The maximum can reach 36°C (96°F) and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Blaine during this month.

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

The chart illustrates May temperature patterns in Blaine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blaine, May typically has an average temperature of 15°C (59°F), with highs reaching up to 36°C (96°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Blaine

In Blaine in May, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

May Precipitation Trends in Blaine

The chart displays monthly precipitation patterns in Blaine, 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 Blaine, May typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Blaine

In Blaine in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

May Average Humidity in Blaine

This chart illustrates the average monthly humidity levels in Blaine, 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 Blaine 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 Blaine

In Blaine 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 Blaine.

Maximum UV Index Levels in Blaine for May

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

Data source: Blaine 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 Blaine Compares to Other Months

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

This table compares monthly weather conditions in Blaine, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	23 mm (0.9 inches)	87%	low
February Weather	-9°C (16°F)	31 mm (1.2 inches)	90%	moderate
March Weather	0°C (33°F)	54 mm (2.1 inches)	85%	moderate
April Weather	6°C (43°F)	94 mm (3.7 inches)	84%	high
May Weather	15°C (59°F)	114 mm (4.5 inches)	78%	very high
June Weather	22°C (71°F)	79 mm (3.1 inches)	80%	very high
July Weather	23°C (74°F)	102 mm (4.0 inches)	81%	very high
August Weather	21°C (71°F)	134 mm (5.3 inches)	81%	very high
September Weather	18°C (64°F)	112 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	104 mm (4.1 inches)	84%	moderate
November Weather	0°C (33°F)	35 mm (1.4 inches)	88%	moderate
December Weather	-5°C (23°F)	50 mm (2.0 inches)	84%	low