May Weather in Alpine, United States

Last updated: June 24, 2025

In May, the average temperature in Alpine, United States hovers around 5°C (41°F). Expect temperature extremes ranging from a chilly -8°C (17°F) to a pleasant 23°C (74°F). With 63 mm (2.5 in) of precipitation spread over 12 days, it's wise to keep an umbrella handy. The air remains relatively moist, with an average humidity level of 71%.

May Temperature in Alpine

In May in Alpine, the average temperature is 5°C (41°F). Maximums can reach 23°C (74°F), and minimums can dip as low as -8°C (17°F). This variation in temperature makes Alpine a destination where travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Alpine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alpine, May typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -8°C (17°F).

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

May Precipitation in Alpine

In Alpine in May, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

May Precipitation Trends in Alpine

The chart displays monthly precipitation patterns in Alpine, 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 Alpine, May typically receives around 63 mm (2.5 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 Alpine

In Alpine in May, humidity is 71%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

May Average Humidity in Alpine

This chart illustrates the average monthly humidity levels in Alpine, 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 Alpine is approximately 71%, 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 Alpine

In Alpine in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Alpine.

Maximum UV Index Levels in Alpine for May

The chart shows the monthly maximum UV Index (UVI) for Alpine 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 Alpine typically reaches 11, which falls under the extreme exposure category.

Data source: Alpine 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 Alpine Compares to Other Months

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

This table compares monthly weather conditions in Alpine, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	87 mm (3.4 inches)	95%	moderate
February Weather	-6°C (21°F)	135 mm (5.3 inches)	95%	moderate
March Weather	-1°C (30°F)	70 mm (2.8 inches)	90%	very high
April Weather	1°C (34°F)	94 mm (3.7 inches)	81%	very high
May Weather	5°C (41°F)	63 mm (2.5 inches)	71%	extreme
June Weather	13°C (55°F)	53 mm (2.1 inches)	64%	extreme
July Weather	18°C (64°F)	20 mm (0.8 inches)	59%	extreme
August Weather	17°C (62°F)	27 mm (1.1 inches)	49%	extreme
September Weather	11°C (53°F)	53 mm (2.1 inches)	52%	very high
October Weather	3°C (37°F)	65 mm (2.6 inches)	69%	high
November Weather	-3°C (27°F)	87 mm (3.4 inches)	86%	moderate
December Weather	-7°C (20°F)	88 mm (3.5 inches)	91%	moderate