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 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
As April transitions into May, Manteca notices a gentle rise in the average high-temperature, transitioning from a pleasant 70.7°F (21.5°C) to a moderately hot 78.1°F (25.6°C). Manteca registers a substantial downturn from daytime peaks throughout May nights, with an average low-temperature of 51.4°F (10.8°C).Humidity
In May, the average relative humidity in Manteca is 55%.Rainfall
In Manteca, during May, the rain falls for 4.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 67.8 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Snowfall
In Manteca, snow does not fall in January through November.Daylight
The average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:20 pm PDT.
Sunshine
The average sunshine in May is 11.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May in Manteca?
When it does not snow?
How many hours of daylight does Manteca have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Manteca have in May?
What is the UV index reading in May?
Average temperature in May
Manteca, CA
- Average high temperature in May: 78.1°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in May
Manteca, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Manteca, CA
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in May
Manteca, CA
- Average humidity in May: 55%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is July (42%).
Average rainfall in May
Manteca, CA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Manteca, CA
- Average rainfall days in May: 4.8 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (1.2 days).
Average snowfall days in May
Manteca, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Manteca, CA
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Manteca, CA
- Average sunshine days in May: 25.6 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in May
Manteca, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Manteca, CA
- Average cloud cover in May: 18
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Manteca, 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).
Manteca, California, USA
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