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May Weather in Mission, Canada

Last updated: June 18, 2025

In Mission, Canada, the average temperature in May hovers around 12°C (54°F). Expect a range where the temperature can dip to a cool 2°C (35°F) or soar up to a warm 29°C (84°F). During this month, precipitation is likely, with an average of 100 mm (3.9 in) spread over 13 days. Be prepared for a rather humid atmosphere, as the average humidity settles at 82%.

May Temperature in Mission

In May in Mission, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while the minimum can drop as low as 2°C (35°F). This diverse range of temperatures makes Mission an exciting destination for travelers seeking both mild and warm weather.

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

The chart illustrates May temperature patterns in Mission, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mission, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec353340465458636458474135
Data source: Temperature data for Mission 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 Mission

In Mission in May, the total precipitation amount is 100 mm (3.9 in), occurring over a span of 13 days.

May Precipitation Trends in Mission

The chart displays monthly precipitation patterns in Mission, 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 Mission, May typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec306263236186100915441199301436339
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Mission

In Mission in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Mission

This chart illustrates the average monthly humidity levels in Mission, 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 Mission is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mission

In Mission in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mission.

Maximum UV Index Levels in Mission for May

The chart shows the monthly maximum UV Index (UVI) for Mission 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 Mission typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235678986421
Data source: Mission 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 Mission Compares to Other Months

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

This table compares monthly weather conditions in Mission, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)306 mm (12.1 inches)87%low
February Weather0°C (33°F)263 mm (10.3 inches)86%moderate
March Weather4°C (40°F)235 mm (9.3 inches)88%moderate
April Weather8°C (46°F)186 mm (7.3 inches)86%high
May Weather12°C (54°F)100 mm (3.9 inches)82%high
June Weather15°C (59°F)91 mm (3.6 inches)82%very high
July Weather17°C (64°F)54 mm (2.1 inches)85%very high
August Weather18°C (64°F)41 mm (1.6 inches)77%very high
September Weather14°C (58°F)199 mm (7.8 inches)76%high
October Weather9°C (48°F)301 mm (11.9 inches)88%moderate
November Weather5°C (41°F)436 mm (17.2 inches)88%low
December Weather2°C (35°F)339 mm (13.4 inches)89%low

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