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
With the start of May, the average high-temperature marginally shifts from April's agreeable 69.4°F (20.8°C) to a warm 75.7°F (24.3°C). Twin Peaks registers a marked temperature plunge to a cool 52.2°F (11.2°C) during the cool May nights.Humidity
In May, the average relative humidity is 49%.Rainfall
In Twin Peaks, in May, it is raining for 4.1 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 51.8 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
In Twin Peaks, California, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:33 pm. On the last day of May, sunrise is at 5:38 am and sunset at 7:55 pm PDT.
Sunshine
In Twin Peaks, the average sunshine in May is 11.9h.UV index
In Twin Peaks, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 6 in May leads to these guidelines:
Ward off overexposure. Defence against solar harm is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Twin Peaks in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Twin Peaks?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Twin Peaks, CA
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure in May
Twin Peaks, CA
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Twin Peaks, CA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in May
Twin Peaks, CA
- Average humidity in May: 49%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall in May
Twin Peaks, CA
- Average rainfall in May: 0.2"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Twin Peaks, CA
- Average rainfall days in May: 4.1 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in May
Twin Peaks, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Twin Peaks, CA
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 11h and 5min
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 54min).
Average sunshine days in May
Twin Peaks, CA
- Average sunshine days in May: 25.1 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in May
Twin Peaks, CA
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in May
Twin Peaks, CA
- Average cloud cover in May: 11
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in May
Twin Peaks, 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).
Twin Peaks, California, USA
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