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May Weather in Lander, United States

Last updated: June 24, 2025

In May, the average temperature in Lander, United States is a cool 8°C (46°F). While you can expect minimums dipping to a chilly -10°C (15°F), temperatures can rise to a pleasant 27°C (80°F). Be prepared for 111 mm (4.4 in) of precipitation over approximately 14 days, and expect a moderate average humidity of 69%.

May Temperature in Lander

In May in Lander, the average temperature is 8°C (46°F). Maximum temperatures can reach as high as 27°C (80°F), while the minimum can drop to as low as -10°C (15°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates May temperature patterns in Lander, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lander, May typically has an average temperature of 8°C (46°F), with highs reaching up to 27°C (80°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec222131364659666456393223
Data source: Temperature data for Lander 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 Lander

In Lander in May, the precipitation amount is 111 mm (4.4 in) during 14 days, indicating a significant amount of rainfall for that period.

May Precipitation Trends in Lander

The chart displays monthly precipitation patterns in Lander, 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 Lander, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec2438538511153434444482925
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Lander

In Lander in May, humidity is 69%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that wraps around you, making outdoor exploration both refreshing and invigorating, but you'll want to dress warmly to stay comfortable while traveling.

May Average Humidity in Lander

This chart illustrates the average monthly humidity levels in Lander, 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 Lander is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Lander

In Lander in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Lander.

Maximum UV Index Levels in Lander for May

The chart shows the monthly maximum UV Index (UVI) for Lander 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 Lander typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101212119643
Data source: Lander 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 Lander Compares to Other Months

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

This table compares monthly weather conditions in Lander, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)24 mm (0.9 inches)90%moderate
February Weather-6°C (22°F)38 mm (1.5 inches)89%moderate
March Weather0°C (32°F)53 mm (2.1 inches)82%high
April Weather2°C (36°F)85 mm (3.4 inches)72%very high
May Weather8°C (46°F)111 mm (4.4 inches)69%very high
June Weather15°C (59°F)53 mm (2.1 inches)67%extreme
July Weather19°C (67°F)43 mm (1.7 inches)65%extreme
August Weather18°C (64°F)44 mm (1.7 inches)59%extreme
September Weather13°C (56°F)44 mm (1.7 inches)59%very high
October Weather4°C (39°F)48 mm (1.9 inches)69%high
November Weather0°C (32°F)29 mm (1.1 inches)83%moderate
December Weather-5°C (23°F)25 mm (1.0 inches)89%moderate

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