Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Pioneer's transition into May brings a slight rise in the average high-temperature, moving from a mild 59.5°F (15.3°C) in April to a comfortable 67.1°F (19.5°C). Pioneer registers a marked temperature plunge to a chilly 44.6°F (7°C) during the cool May nights.Humidity
In May, the average relative humidity is 60%.Rainfall
In Pioneer, in May, it is raining for 9.3 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Pioneer, California, there are 78.6 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Pioneer aggregates 0.63" (16mm) of snow. Throughout the year, there are 27.8 snowfall days, and 71.02" (1804mm) of snow is accumulated.Daylight
In Pioneer, the average length of the day in May is 14h and 17min.On the first day of May, sunrise is at 6:04 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 8:20 pm PDT.
Sunshine
The average sunshine in May is 11h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Pioneer, CA
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (48.6°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Pioneer, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Pioneer, CA
- Average wind speed in May: 5.2mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Pioneer, CA
- Average humidity in May: 60%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in May
Pioneer, CA
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is March (6.14").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Pioneer, CA
- Average rainfall days in May: 9.3 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in May
Pioneer, CA
- Average snowfall in May: 0.63"
The month with the highest snowfall is March (18.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Pioneer, CA
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is March (6.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Pioneer, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in May
Pioneer, CA
- Average sunshine days in May: 18.5 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in May
Pioneer, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in May
Pioneer, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Pioneer, CA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Pioneer, California, USA
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