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May Weather in Fort Sumner, United States

Last updated: June 24, 2025

The average temperature in Fort Sumner, United States during May is a comfortable 21°C (70°F). This period can see temperatures ranging from a chilly 1°C (34°F) to a sizzling 38°C (100°F). With 27 mm (1.1 in) of precipitation spread across about 4 days, it’s a season of varied weather. On top of that, the average humidity sits at a brisk 69%, making for an interesting climate experience!

May Temperature in Fort Sumner

In May in Fort Sumner, the average temperature is 21°C (70°F), with maximums reaching up to 38°C (100°F) and minimums dropping to as low as 1°C (34°F). This varied climate makes Fort Sumner an ideal destination for travelers seeking both warm days and cooler evenings, perfect for outdoor explorations or cozy nights.

May Weather in Fort Sumner: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fort Sumner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Sumner, May typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (100°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404453607079817972595043
Data source: Temperature data for Fort Sumner 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 Fort Sumner

In Fort Sumner in May, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

May Precipitation Trends in Fort Sumner

The chart displays monthly precipitation patterns in Fort Sumner, 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 Fort Sumner, May typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec11103017273522433152138
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fort Sumner

In Fort Sumner in May humidity is 69%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but requiring occasional breaks for hydration and shade during your travels.

May Average Humidity in Fort Sumner

This chart illustrates the average monthly humidity levels in Fort Sumner, 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 Fort Sumner is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Fort Sumner

In Fort Sumner in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Fort Sumner.

Maximum UV Index Levels in Fort Sumner for May

The chart shows the monthly maximum UV Index (UVI) for Fort Sumner 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 Fort Sumner typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213121210864
Data source: Fort Sumner 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 Fort Sumner Compares to Other Months

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

This table compares monthly weather conditions in Fort Sumner, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)11 mm (0.4 inches)74%moderate
February Weather7°C (44°F)10 mm (0.4 inches)75%high
March Weather12°C (53°F)30 mm (1.2 inches)61%very high
April Weather16°C (60°F)17 mm (0.7 inches)61%extreme
May Weather21°C (70°F)27 mm (1.1 inches)69%extreme
June Weather26°C (79°F)35 mm (1.4 inches)74%extreme
July Weather27°C (81°F)22 mm (0.9 inches)75%extreme
August Weather26°C (79°F)43 mm (1.7 inches)78%extreme
September Weather22°C (73°F)31 mm (1.2 inches)76%very high
October Weather15°C (59°F)52 mm (2.0 inches)76%very high
November Weather10°C (50°F)13 mm (0.5 inches)80%high
December Weather6°C (43°F)8 mm (0.3 inches)77%moderate

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