Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The initiation of August records an average high-temperature of a still tropical 90.9°F (32.7°C), displaying a near consistency with the previous month. A noteworthy temperature dip to a refreshing 61.7°F (16.5°C) is observed during the nights of August in Jamestown.Humidity
In August, the average relative humidity in Jamestown is 33%.Rainfall
The months with the least rainfall in Jamestown are July and August Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
In Jamestown, California, the average length of the day in August is 13h and 35min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:10 pm. On the last day of August, in Jamestown, sunrise is at 6:31 am and sunset at 7:32 pm PDT.
Sunshine
In Jamestown, the average sunshine in August is 12h.UV index
In Jamestown, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is it in Jamestown in August?
What is the average humidity in August in Jamestown?
What is the driest month in Jamestown?
How many days does it rain in August in Jamestown?
When it does not snow in Jamestown?
What is the average length of the day in August in Jamestown?
When are sunrise and sunset in August in Jamestown?
How long on average sun shines in August in Jamestown?
How high is the UV index in August in Jamestown?
Average temperature in August
Jamestown, CA
- Average high temperature in August: 90.9°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 August: 61.7°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 August
Jamestown, CA
- Average pressure in August: 29.93"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 August
Jamestown, CA
- Average wind speed in August: 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 August
Jamestown, CA
- Average humidity in August: 33%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in August
Jamestown, CA
- Average rainfall in August: 0.04"
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 August
Jamestown, CA
- Average rainfall days in August: 1.4 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 August
Jamestown, CA
- Average snowfall in August: 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 August
Jamestown, CA
- Average snowfall days in August: 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 August /
Average sunshine in August
Jamestown, CA
- Average daylight in August: 13h and 4min
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 August: 12h and 0min
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 August
Jamestown, CA
- Average sunshine days in August: 28.4 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 August
Jamestown, CA
- Average UV index in August: 6
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 August
Jamestown, CA
- Average cloud cover in August: 5
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 August
Jamestown, CA
- Average visibility in August: 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).
Jamestown, California, USA
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