Climate and monthly weather forecastMartinez, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Martinez, California, with an average temperature varying between 56.7°F (13.7°C) and 42.3°F (5.7°C). January's advent presents an average high-temperature of a still mild 56.7°F (13.7°C), indicating a slight variation from the conditions of the previous month. Weather in January »Weather in February
February, the last month of the winter in Martinez, is also a moderate month, with an average temperature varying between 59.9°F (15.5°C) and 43°F (6.1°C). February's advent notes a subtle adjustment in average high-temperature to a still refreshing 59.9°F (15.5°C) from January. Weather in February »Weather in March
The first month of the spring, March, is an enjoyable month in Martinez, California, with an average temperature varying between 44.4°F (6.9°C) and 63.1°F (17.3°C). The average high-temperature is a comfortable 63.1°F (17.3°C) in March, hardly different from the 59.9°F (15.5°C) recorded in February. Weather in March »Weather in April
April is an agreeable spring month in Martinez, California, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 46.9°F (8.3°C). The onset of April marks a slight increase in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) in March to a pleasant 68.5°F (20.3°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Martinez, California, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 73.6°F (23.1°C). The shift into May reveals an average high-temperature of a warm 73.6°F (23.1°C), closely mirroring April's climate. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Martinez, California, with an average temperature fluctuating between 81.3°F (27.4°C) and 55°F (12.8°C). In June, the average high-temperature marginally rises from a moderately hot 73.6°F (23.1°C) in May to a still warm 81.3°F (27.4°C). Weather in June »Weather in July
July, like June, in Martinez, California, is a moderately hot summer month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 84.2°F (29°C). In Martinez, the peak average temperatures are observed in July, with a high of 84.2°F (29°C) and a low of 56.1°F (13.4°C). For July, the heat index is appraised at a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Martinez, is also a moderately hot month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 83.8°F (28.8°C). During August, Martinez observes a subtle ascent to a still moderately hot 83.8°F (28.8°C) from July's 84.2°F (29°C) in the average high-temperature. Weather in August »Weather in September
September, the first month of the autumn in Martinez, is still a warm month, with an average temperature ranging between min 57.6°F (14.2°C) and max 82.8°F (28.2°C). August's transformation into September witnesses an average high-temperature of a still warm 82.8°F (28.2°C), noting a minor change from the preceding month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Martinez, California, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 74.7°F (23.7°C). The onset of October results in a small decrease in the average high-temperature, moderately receding from a moderately hot 82.8°F (28.2°C) in September to a still warm 74.7°F (23.7°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Martinez, California, with an average temperature ranging between max 63.5°F (17.5°C) and min 46.9°F (8.3°C). November comes with a decrease in the average high-temperature, falling from a warm 74.7°F (23.7°C) in October to an enjoyable 63.5°F (17.5°C). Weather in November »Weather in December
December, the first month of the winter in Martinez, is also a moderate month, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 42.3°F (5.7°C). Temperature records mark December as the coldest month, with highs averaging 55.4°F (13°C) and lows at 42.3°F (5.7°C). Weather in December »Updated: Jul 29, 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 48.9 rainfall days, and 4.96" (126mm) of precipitation is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
The month with the most rainfall is February, when the rain falls for 5.6 days and typically aggregates up to 0.98" (25mm) of precipitation.
With an average relative humidity of 74%, March is the most humid month.
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.
June has the longest days of the year, with an average of 14h and 48min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
The month of July, characterized by an average high of 84.2°F (29°C) and a low of 56.1°F (13.4°C), is recognized as the warmest.
The months with the least rainfall are July and August Rain falls for 1.6 days and accumulates 0.04" (1mm) of rain.
July has the most sunshine of the year, with an average of 12h of sunshine.
September and October, with an average relative humidity of 56%, are the least humid months.
Martinez experiences its lowest temperatures in December, with an average peak of 55.4°F (13°C) and a low of 42.3°F (5.7°C).
The month with the shortest days is December, with an average of 9h and 36min of daylight.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Martinez, CA
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (55.4°F).
The month with the highest average low temperature is September (57.6°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).
Average pressure
Martinez, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Martinez, CA
- Average wind speed in January:
4.6mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.9mph - Average wind speed in April:
6.5mph - Average wind speed in May:
7.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.7mph - Average wind speed in September:
5.8mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.9mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity
Martinez, CA
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (56%).
Average rainfall
Martinez, CA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.98" - Average rainfall in March:
0.79" - Average rainfall in April:
0.28" - Average rainfall in May:
0.24" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.28" - Average rainfall in November:
0.59" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Martinez, CA
- Average rainfall days in January:
7 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
4.6 days - Average rainfall days in May:
3.2 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
1.6 days - Average rainfall days in August:
1 days - Average rainfall days in September:
2 days - Average rainfall days in October:
2.7 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (1 days).
Average daylight / Average sunshine
Martinez, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
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:
5h and 54min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Martinez, CA
- Average sunshine days in January:
23.1 days - Average sunshine days in February:
22.1 days - Average sunshine days in March:
22.1 days - Average sunshine days in April:
25.3 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
28 days
- Average sunshine days in July:
29 days - Average sunshine days in August:
28.9 days - Average sunshine days in September:
27.6 days - Average sunshine days in October:
27.9 days - Average sunshine days in November:
25 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is July (29 days).
The months with the least sunshine days are February and March (22.1 days).
Average UV index
Martinez, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Martinez, CA
The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility
Martinez, 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).
