May weather forecastWestport, CA
May
Weather in May
The last month of the spring, May, is another refreshing month in Westport, California, with an average temperature ranging between max 59.7°F (15.4°C) and min 49.6°F (9.8°C).Temperature
The advent of May sees the average high-temperature at a still refreshing 59.7°F (15.4°C), subtly shifted from April's 56.8°F (13.8°C). Westport records an average nighttime low-temperature of 49.6°F (9.8°C) throughout May.Humidity
March, May and August, with an average relative humidity of 80%, are the most humid months.Rainfall
In Westport, in May, during 4.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 68.4 rainfall days, and 9.53" (242mm) of precipitation is accumulated.Snowfall
In Westport, snow does not fall in January, March through December.Daylight
In May, the average length of the day is 14h and 23min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:36 pm PDT.
Sunshine
The average sunshine in May is 10.5h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Westport, CA
- Average high temperature in May: 59.7°F
The warmest month (with the highest average high temperature) is September (67.5°F).
The months with the lowest average high temperature are February and December (54.3°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure in May
Westport, CA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Westport, CA
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in May
Westport, CA
- Average humidity in May: 80%
The months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Westport, CA
- Average rainfall in May: 0.59"
The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").
Average rainfall days in May
Westport, CA
- Average rainfall days in May: 4.1 days
The month with the highest number of rainy days is March (11.4 days).
The months with the least rainy days are June and August (1.8 days).
Average snowfall in May
Westport, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Westport, 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
Westport, CA
- Average daylight in May: 14h and 24min
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 24min).
- Average sunshine in May: 10h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Westport, CA
- Average sunshine days in May: 25.8 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in May
Westport, CA
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Westport, CA
- Average cloud cover in May: 26
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in May
Westport, 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).
