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 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
May introduces a minor temperature shift, with average high-temperatures adjusting from April's pleasant 69.4°F (20.8°C) to a moderately hot 75°F (23.9°C). A significant drop from the day's peak to an average low-temperature of 50.7°F (10.4°C) is noted during the nights in May.Humidity
In May, the average relative humidity in Pittsburg, California, is 61%.Rainfall
In Pittsburg, during May, the rain falls for 3.9 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Pittsburg, during the entire year, the rain falls for 66.9 days and collects up to 10.39" (264mm) of precipitation.Daylight
In May, the average length of the day is 14h and 15min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:46 am and sunset at 8:24 pm PDT.
Sunshine
The average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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 much does it rain in Pittsburg in May?
How many hours of daylight does Pittsburg have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Pittsburg, CA
- Average high temperature in May: 75°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in May: 50.7°F
The months with the highest average low temperature are August and September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Pittsburg, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Pittsburg, CA
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are May and June (7.6mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in May
Pittsburg, CA
- Average humidity in May: 61%
The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (53%).
Average rainfall in May
Pittsburg, CA
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is February (2.01").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Pittsburg, CA
- Average rainfall days in May: 3.9 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (0.9 days).
Average daylight in May /
Average sunshine in May
Pittsburg, CA
- Average daylight in May: 14h and 1min
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 36min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Pittsburg, CA
- Average sunshine days in May: 26.3 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in May
Pittsburg, CA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Pittsburg, CA
- Average cloud cover in May: 20
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in May
Pittsburg, 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).
Pittsburg, California, USA
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