May weather forecastJamestown, CA
May
Weather in May
May, the last month of the spring in Jamestown, is a pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 49.1°F (9.5°C).Temperature
May's arrival signals a modest temperature shift, moving from a comfortable 65.3°F (18.5°C) in April to an agreeable 73°F (22.8°C). From the height of daytime heat, the temperature recedes to an average of 49.1°F (9.5°C) at night during May.Humidity
In Jamestown, California, the average relative humidity in May is 55%.Rainfall
In Jamestown, in May, it is raining for 6.8 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:04 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:18 pm PDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In Jamestown, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jamestown, CA
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in May: 49.1°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 (37.2°F).
Average pressure in May
Jamestown, CA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Jamestown, CA
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in May
Jamestown, CA
- Average humidity in May: 55%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in May
Jamestown, CA
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Jamestown, CA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in May
Jamestown, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Jamestown, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, CA
- Average daylight in May: 14h and 12min
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 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in May
Jamestown, CA
- Average sunshine days in May: 22.4 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in May
Jamestown, CA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in May
Jamestown, CA
- Average cloud cover in May: 19
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Jamestown, 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).
