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May Weather in Alamosa, United States

Last updated: June 24, 2025

In May, the average temperature in Alamosa, United States hovers around 12°C (54°F). Expect a chill with minimums dipping to -5°C (24°F), while the mercury can rise to a pleasant 29°C (85°F). During this month, anticipate 32 mm (1.3 in) of precipitation spread over approximately 5 days, contributing to an average humidity level of 62%.

May Temperature in Alamosa

In May in Alamosa, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (85°F), while minimums can dip as low as -5°C (24°F). Be prepared for a wide range of weather conditions if you plan to travel during this time.

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

The chart illustrates May temperature patterns in Alamosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alamosa, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec222637455464686659463625
Data source: Temperature data for Alamosa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Alamosa

In Alamosa in May, the precipitation amount is 32 mm (1.3 in) over the course of 5 days.

May Precipitation Trends in Alamosa

The chart displays monthly precipitation patterns in Alamosa, 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 Alamosa, May typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec191926253222342929221419
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Alamosa

In Alamosa in May, humidity is 62%. With an average temperature of 12°C (54°F), this humidity feels like a cool, damp embrace, making travel slightly uncomfortable; visitors may find themselves wrapped in light layers as the moisture hangs in the air, creating an atmosphere that's refreshing yet chill.

May Average Humidity in Alamosa

This chart illustrates the average monthly humidity levels in Alamosa, 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 Alamosa is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%75%68%62%55%54%61%70%78%81%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alamosa

In Alamosa in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Alamosa.

Maximum UV Index Levels in Alamosa for May

The chart shows the monthly maximum UV Index (UVI) for Alamosa 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 Alamosa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4610111313131210854
Data source: Alamosa 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 Alamosa Compares to Other Months

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

This table compares monthly weather conditions in Alamosa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)19 mm (0.8 inches)84%moderate
February Weather-3°C (26°F)19 mm (0.7 inches)84%high
March Weather3°C (37°F)26 mm (1.0 inches)74%very high
April Weather7°C (45°F)25 mm (1.0 inches)68%extreme
May Weather12°C (54°F)32 mm (1.3 inches)62%extreme
June Weather18°C (65°F)22 mm (0.9 inches)55%extreme
July Weather20°C (68°F)34 mm (1.3 inches)54%extreme
August Weather19°C (66°F)29 mm (1.2 inches)61%extreme
September Weather15°C (60°F)29 mm (1.1 inches)70%very high
October Weather8°C (47°F)22 mm (0.9 inches)78%very high
November Weather2°C (36°F)14 mm (0.6 inches)81%moderate
December Weather-4°C (26°F)19 mm (0.8 inches)85%moderate

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