Climate and monthly weather forecastThermalito, CA
Climate and monthly weather forecast
Weather in January
January in Thermalito, California, is a mild winter month, with an average temperature fluctuating between 41.9°F (5.5°C) and 56.8°F (13.8°C). January's advent presents an average high-temperature of a moderate 56.8°F (13.8°C), indicating a slight variation from the conditions of the previous month. Weather in January »Weather in February
The last month of the winter, February, is another mild month in Thermalito, California, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 58.6°F (14.8°C). As February takes its course, Thermalito's average high-temperature registers at a still moderate 58.6°F (14.8°C), closely aligning with the preceding month. Weather in February »Weather in March
March, the first month of the spring in Thermalito, is a comfortable month, with an average temperature ranging between max 61.3°F (16.3°C) and min 43.9°F (6.6°C). Thermalito measures an average high-temperature of an enjoyable 61.3°F (16.3°C) in March, nearly consistent with the preceding month. Weather in March »Weather in April
April in Thermalito, California, is a pleasant spring month, with an average temperature ranging between min 47.7°F (8.7°C) and max 68.9°F (20.5°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from a comfortable 61.3°F (16.3°C) to a pleasant 68.9°F (20.5°C). Weather in April »Weather in May
May, the last month of the spring in Thermalito, is a warm month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 77.5°F (25.3°C). The onset of May marks a slight increase in the average high-temperature, moving from a pleasant 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Thermalito, California, with an average temperature ranging between max 88.3°F (31.3°C) and min 60.1°F (15.6°C). Thermalito sees a rise in temperature during June, with average high-temperatures transitioning from a warm 77.5°F (25.3°C) in May to a hot 88.3°F (31.3°C). Weather in June »Weather in July
July in Thermalito, California, is a torrid summer month, with an average temperature varying between 63.7°F (17.6°C) and 95.9°F (35.5°C). Thermalito's warmest weather arrives in July, when temperatures average a high of 95.9°F (35.5°C) and a low of 63.7°F (17.6°C). Weather in July »Weather in August
August, the last month of the summer in Thermalito, is also a hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 94.6°F (34.8°C). Thermalito marks the start of August with an average high-temperature of a hot 94.6°F (34.8°C), hinting at a slight fluctuation from July's 95.9°F (35.5°C). Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Thermalito, California, with an average temperature ranging between min 61°F (16.1°C) and max 88.9°F (31.6°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a tropical 94.6°F (34.8°C) in August to a still hot 88.9°F (31.6°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Thermalito, California, with an average temperature ranging between max 76.1°F (24.5°C) and min 54°F (12.2°C). The onset of October coincides with a reduction in the average high-temperature, falling from a hot 88.9°F (31.6°C) in September to a moderately hot 76.1°F (24.5°C). Weather in October »Weather in November
November, the last month of the autumn in Thermalito, is another comfortable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 45.7°F (7.6°C). Stepping into November, Thermalito observes a temperature decline, with the average high falling from October's moderately hot 76.1°F (24.5°C) to an enjoyable 63.1°F (17.3°C). Weather in November »Weather in December
December, the first month of the winter in Thermalito, is also a fresh month, with an average temperature ranging between max 54.5°F (12.5°C) and min 40.6°F (4.8°C). December is the coldest month, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 40.6°F (4.8°C). Weather in December »Updated: Jun 12, 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
Throughout the year, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.
In Thermalito, snow does not fall in January through November.
Throughout the year, there are 0.1 snowfall days.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
March is the most humid month, with an average relative humidity of 72%.
The month with the most rainfall is March, when the rain falls for 14.3 days and typically aggregates up to 4.61" (117mm) 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.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
The warmest period tends to be July, when average temperatures fluctuate between a high of 95.9°F (35.5°C) and a low of 63.7°F (17.6°C).
July is the least humid month, with an average relative humidity of 33%.
July is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
July has the most sunshine of the year, with an average of 12.1h of sunshine.
Thermalito reaches its average lowest temperatures in December, measuring 54.5°F (12.5°C) at the peak and 40.6°F (4.8°C) at the lowest.
The only month with snowfall is December.
The month with the most snowfall days is December, when snow falls for 0.1 days.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.8h of sunshine.
Average temperature
Thermalito, CA
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure
Thermalito, CA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Thermalito, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.3mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).
Average humidity
Thermalito, CA
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall
Thermalito, CA
- Average rainfall in January:
3.46" - Average rainfall in February:
4.45" - Average rainfall in March:
4.61" - Average rainfall in April:
1.5" - Average rainfall in May:
1.18" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.12" - Average rainfall in September:
0.31" - Average rainfall in October:
1.3" - Average rainfall in November:
2.64" - Average rainfall in December:
4.33"
The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days
Thermalito, CA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
9.4 days - Average rainfall days in May:
5.9 days - Average rainfall days in June:
2.6 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
11.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).
Average snowfall days
Thermalito, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 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 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Thermalito, CA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h 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 January:
5h and 54min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 36min - Average sunshine in April:
10h and 12min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 12min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Thermalito, CA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
19.1 days - Average sunshine days in May:
23.9 days - Average sunshine days in June:
27 days
- Average sunshine days in July:
29.3 days - Average sunshine days in August:
28.6 days - Average sunshine days in September:
27 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).
Average UV index
Thermalito, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Thermalito, CA
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Thermalito, 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).
