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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January is a mild winter month in Jamestown, California, with an average temperature fluctuating between 38.8°F (3.8°C) and 55.4°F (13°C). Welcoming January, Jamestown notes an average high-temperature of a mild 55.4°F (13°C), nearly consistent with December's 52.9°F (11.6°C). Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Jamestown, California, with an average temperature fluctuating between 37.9°F (3.3°C) and 55.9°F (13.3°C). Upon the beginning of February, Jamestown's high-temperatures register at a still moderate 55.9°F (13.3°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Jamestown, California, with an average temperature varying between 59.4°F (15.2°C) and 39.7°F (4.3°C). Jamestown records an average high-temperature of a still moderate 59.4°F (15.2°C) in March, maintaining a close correlation with February's 55.9°F (13.3°C). Weather in March »
Weather in April
April in Jamestown, California, is a comfortable spring month, with an average temperature ranging between max 65.3°F (18.5°C) and min 43.3°F (6.3°C). As Jamestown welcomes April, the average high-temperature sees a modest rise, transitioning from a moderate 59.4°F (15.2°C) in March to a comfortable 65.3°F (18.5°C). Weather in April »
Weather in May
May, the last month of the spring in Jamestown, is an agreeable month, with an average temperature ranging between min 49.1°F (9.5°C) and max 73°F (22.8°C). Jamestown's transition into May is marked by a minor temperature shift, moving from a refreshing 65.3°F (18.5°C) in April to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
June, the first month of the summer in Jamestown, is a warm month, with an average temperature fluctuating between 56.8°F (13.8°C) and 83.8°F (28.8°C). June sees a temperature increase, moving from an agreeable 73°F (22.8°C) in May to a warm 83.8°F (28.8°C). Weather in June »
Weather in July
July is a tropical summer month in Jamestown, California, with an average temperature ranging between max 91.4°F (33°C) and min 62.2°F (16.8°C). The average temperatures reach their apex in July, averaging 91.4°F (33°C) at the high end and 62.2°F (16.8°C) at the low end. Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Jamestown, California, with an average temperature ranging between max 90.9°F (32.7°C) and min 61.7°F (16.5°C). 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. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Jamestown, California, with an average temperature varying between 58.8°F (14.9°C) and 85.1°F (29.5°C). In Jamestown, the average high-temperature in September gently drops from a tropical 90.9°F (32.7°C) in August to a warm 85.1°F (29.5°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Jamestown, California, with an average temperature fluctuating between 51.4°F (10.8°C) and 73.6°F (23.1°C). In the transition to October, Jamestown observes a drop in the average high-temperature, moving from a warm 85.1°F (29.5°C) in September to a still moderately hot 73.6°F (23.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Jamestown, California, with an average temperature varying between 43.3°F (6.3°C) and 61.7°F (16.5°C). Jamestown in November undergoes a mild reduction in the average high-temperature, shifting from October's moderately hot 73.6°F (23.1°C) to a comfortable 61.7°F (16.5°C). Weather in November »
Weather in December
December, the first month of the winter in Jamestown, is also a fresh month, with an average temperature fluctuating between 52.9°F (11.6°C) and 37.2°F (2.9°C). In Jamestown, December is the coldest month, with temperatures averaging a high of 52.9°F (11.6°C) and a low of 37.2°F (2.9°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in Jamestown?
Throughout the year, in Jamestown, California, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.
When does it snow in Jamestown?
January through March, November and December are months with snowfall in Jamestown, California.
How many days does it snow in Jamestown?
In Jamestown, California, during the entire year, snow falls for 2.1 days and aggregates up to 4.41" (112mm) of snow.
What is the snowiest month in Jamestown?
The month with the most snowfall is February, when snow falls for 1.2 days and typically aggregates up to 2.72" (69mm) of snow.
What is the most humid month in Jamestown?
With an average relative humidity of 70%, March is the most humid month in Jamestown.
What is the wettest month in Jamestown?
March is the month with the most rainfall. Rain falls for 13.4 days and accumulates 4.76" (121mm) of precipitation.
When is Daylight Saving Time (DST) in Jamestown?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
When it does not snow in Jamestown?
In Jamestown, snow does not fall in April through October.
When are the longest days in Jamestown?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What are the months with the highest UV index in Jamestown?
June and July, with an average maximum UV index of 7, are months with the highest UV index in Jamestown, California.
What is the warmest month in Jamestown?
With average temperatures fluctuating between a high of 91.4°F (33°C) and a low of 62.2°F (16.8°C), July stands out as the warmest month in Jamestown.
What is the least humid month in Jamestown?
The least humid month is July, with an average relative humidity of 32%.
What is the driest month in Jamestown?
July and August are months with the least rain in Jamestown, California, when the rain falls for 1.9 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine in Jamestown?
July has the most sunshine of the year in Jamestown, with an average of 12.1h of sunshine.
When is the lowest UV index in Jamestown?
With an average maximum UV index of 2, November is the month with the lowest UV index in Jamestown.
What time of the year is the coldest in Jamestown?
The coldest month in Jamestown, California, is December, with an average high-temperature of 52.9°F (11.6°C) and an average low-temperature of 37.2°F (2.9°C).
What is the month with the shortest days in Jamestown?
December has the shortest days of the year in Jamestown, California, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in Jamestown?
December has the least sunshine of the year, with an average of 6h of sunshine.
Average temperature
Jamestown, CA
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).
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
Jamestown, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"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
Jamestown, CA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.7mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.7mph - Average wind speed in December:
4.7mph
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
Jamestown, CA
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall
Jamestown, CA
- Average rainfall in January:
3.43" - Average rainfall in February:
4.13" - Average rainfall in March:
4.76" - Average rainfall in April:
2.05" - Average rainfall in May:
1.54" - Average rainfall in June:
0.2"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.2" - Average rainfall in October:
1.02" - Average rainfall in November:
2.52" - Average rainfall in December:
3.98"
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
Jamestown, CA
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
6.8 days - Average rainfall days in June:
2.2 days
- Average rainfall days in July:
1.9 days - Average rainfall days in August:
1.4 days - Average rainfall days in September:
2.9 days - Average rainfall days in October:
4.1 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
9.5 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
Jamestown, CA
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
Jamestown, CA
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
0.2 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 / Average sunshine
Jamestown, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h 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 January:
6h and 1min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 3min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h 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
Jamestown, CA
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
19.5 days - Average sunshine days in May:
22.4 days - Average sunshine days in June:
27.1 days
- Average sunshine days in July:
28.4 days - Average sunshine days in August:
28.4 days - Average sunshine days in September:
26.6 days - Average sunshine days in October:
26.3 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
20.5 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
Jamestown, CA
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
Jamestown, CA
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
Jamestown, CA
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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