Climate and monthly weather forecastJamacha, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another comfortable winter month in Jamacha, California, with an average temperature varying between 64.6°F (18.1°C) and 47.8°F (8.8°C). Transitioning into January, Jamacha experiences an average high-temperature of a still comfortable 64.6°F (18.1°C), marking a minor shift from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another comfortable month in Jamacha, California, with an average temperature varying between 64.4°F (18°C) and 47.3°F (8.5°C). The high-temperature average in February for Jamacha is a still enjoyable 64.4°F (18°C), staying closely aligned with January's conditions. Weather in February »Weather in March
March, the first month of the spring in Jamacha, is still a comfortable month, with an average temperature ranging between max 66.7°F (19.3°C) and min 48.4°F (9.1°C). As Jamacha welcomes March, the average high-temperature is noted at a still enjoyable 66.7°F (19.3°C), closely aligning with the preceding month. Weather in March »Weather in April
April is an agreeable spring month in Jamacha, California, with an average temperature fluctuating between 50.9°F (10.5°C) and 69.6°F (20.9°C). Jamacha sees the arrival of April with an average high-temperature of an agreeable 69.6°F (20.9°C), indicating a subtle variation from March. Weather in April »Weather in May
May, the last month of the spring in Jamacha, is also an agreeable month, with an average temperature ranging between max 71.8°F (22.1°C) and min 53.6°F (12°C). The arrival of May brings an average high-temperature of a still pleasant 71.8°F (22.1°C), nearly identical to April's 69.6°F (20.9°C). Weather in May »Weather in June
June, the first month of the summer in Jamacha, is a warm month, with an average temperature ranging between max 77.5°F (25.3°C) and min 57.9°F (14.4°C). As June sets, the average high-temperature shows a slight increase, moving up from a pleasant 71.8°F (22.1°C) in May to a warm 77.5°F (25.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Jamacha, California, with an average temperature fluctuating between 64.6°F (18.1°C) and 82°F (27.8°C). July observes an average high-temperature of a still moderately hot 82°F (27.8°C), marking an insignificant difference from June's 77.5°F (25.3°C). Weather in July »Weather in August
August, the last month of the summer in Jamacha, is another warm month, with an average temperature fluctuating between 84.2°F (29°C) and 66.2°F (19°C). August, characterized by an average high temperature of 84.2°F (29°C) and a low temperature of 66.2°F (19°C), is generally the warmest month. During August, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Jamacha, California, with an average temperature ranging between min 64°F (17.8°C) and max 82.6°F (28.1°C). The commencement of September brings an average high-temperature of a still moderately hot 82.6°F (28.1°C), marking an inconsequential divergence from August. Weather in September »Weather in October
October, like September, in Jamacha, California, is a moderately hot autumn month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 76.1°F (24.5°C). As October begins, there is a minor decrease in the average high-temperature, softly falling from a warm 82.6°F (28.1°C) in September to a still moderately hot 76.1°F (24.5°C). Weather in October »Weather in November
November, the last month of the autumn in Jamacha, is another pleasant month, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 70°F (21.1°C). November's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 76.1°F (24.5°C) in October to a pleasant 70°F (21.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Jamacha, California, with an average temperature fluctuating between 47.3°F (8.5°C) and 63°F (17.2°C). December, on average, is the coldest month, registering a high temperature of 63°F (17.2°C) and a low of 47.3°F (8.5°C). Weather in December »Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Jamacha, during the entire year, the rain falls for 60.6 days and collects up to 8.66" (220mm) of precipitation.
The month with the most rainfall is February, when the rain falls for 6.7 days and typically aggregates up to 1.81" (46mm) of precipitation.
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.
With an average relative humidity of 65%, May is the most humid month.
The month with the least rainfall is June, when the rain falls for 1.3 days and typically collects 0.08" (2mm) of precipitation.
June has the longest days of the year, with an average of 14h and 18min of daylight.
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.
The months with the highest UV index are June through September, with an average maximum UV index of 6.
August stands out as Jamacha's warmest month, with temperatures ranging between an average high of 84.2°F (29°C) and a low of 66.2°F (19°C).
The least humid month in Jamacha, California, is November, with an average relative humidity of 52%.
December tends to be the coldest month, with temperatures averaging a daily high of 63°F (17.2°C) and a low of 47.3°F (8.5°C).
With an average of 10h and 0min of daylight, December has the shortest days of the year.
With an average of 6.7h of sunshine, December has the least sunshine of the year.
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Jamacha, CA
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63°F).
The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).
Average pressure
Jamacha, CA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.87"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed
Jamacha, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.5mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.3mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity
Jamacha, CA
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall
Jamacha, CA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.81" - Average rainfall in March:
0.91" - Average rainfall in April:
0.55" - Average rainfall in May:
0.35" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.47" - Average rainfall in September:
0.39" - Average rainfall in October:
0.24" - Average rainfall in November:
0.91" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Jamacha, CA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
7.7 days - Average rainfall days in April:
6.3 days - Average rainfall days in May:
4.3 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
4.2 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.3 days).
Average daylight / Average sunshine
Jamacha, CA
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 54min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 42min - Average sunshine in April:
11h and 6min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 24min - Average sunshine in October:
9h and 12min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Jamacha, CA
- Average sunshine days in January:
24.5 days - Average sunshine days in February:
21 days - Average sunshine days in March:
22.6 days - Average sunshine days in April:
23.2 days - Average sunshine days in May:
24.9 days - Average sunshine days in June:
27.8 days
- Average sunshine days in July:
20.3 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
22.5 days - Average sunshine days in October:
25.9 days - Average sunshine days in November:
25.1 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (20.3 days).
Average UV index
Jamacha, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Jamacha, CA
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Jamacha, 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).
