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
May comes with a subtle rise, with the average high-temperature adjusting from an agreeable 70.3°F (21.3°C) in April to a warm 78.8°F (26°C). Williams experiences a consistent, yet significant, drop from daily highs to a low-temperature of 53.1°F (11.7°C) throughout May.Humidity
In May, the average relative humidity in Williams is 51%.Rainfall
In Williams, in May, during 5.7 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Williams, during the entire year, the rain falls for 76.6 days and collects up to 13.11" (333mm) of precipitation.Snowfall
In Williams, California, snow does not fall in January through November.Daylight
In Williams, the average length of the day in May is 14h and 20min.On the first day of May, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:28 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
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 in Williams?
How high is the UV index in May?
Average temperature in May
Williams, CA
- Average high temperature in May: 78.8°F
The warmest month (with the highest average high temperature) is July (97°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in May
Williams, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Williams, CA
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Williams, CA
- Average humidity in May: 51%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (37%).
Average rainfall in May
Williams, CA
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in May
Williams, CA
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).
Average snowfall in May
Williams, CA
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Williams, CA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February, March and December (0.1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Williams, CA
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 11h and 1min
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 48min).
Average sunshine days in May
Williams, CA
- Average sunshine days in May: 24 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (16.5 days).
Average UV index in May
Williams, 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
Williams, 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 4).
Average visibility in May
Williams, 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).
Williams, California, USA
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