Expand
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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
A path in the scenic hilly and forest landscape of the famous Lake Del Valle Regional Park in Livermore, California
Climate and monthly weather forecast
Weather in January
January in Livermore, California, is a refreshing winter month, with an average temperature varying between 41.4°F (5.2°C) and 56.5°F (13.6°C). January's commencement is accompanied by an average high-temperature of a mild 56.5°F (13.6°C), diverging marginally from December's 54.9°F (12.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Livermore, California, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.1°F (5.6°C). Livermore experiences a transition to a still mild 58.8°F (14.9°C) in average high-temperatures with the arrival of February, not greatly differing from January's 56.5°F (13.6°C). Weather in February »
Weather in March
March, the first month of the spring in Livermore, is an enjoyable month, with an average temperature ranging between min 43.3°F (6.3°C) and max 62.2°F (16.8°C). The ushering in of March brings an average high-temperature of an enjoyable 62.2°F (16.8°C), closely mirroring the 58.8°F (14.9°C) of February. Weather in March »
Weather in April
April, the same as March, is another refreshing spring month in Livermore, California, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 67.6°F (19.8°C). The arrival of April signals a slight increase in the average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in March to a still comfortable 67.6°F (19.8°C). Weather in April »
Weather in May
May, the last month of the spring in Livermore, is an agreeable month, with an average temperature ranging between min 48.7°F (9.3°C) and max 73°F (22.8°C). A minor escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 67.6°F (19.8°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 Livermore, is a moderately hot month, with an average temperature ranging between max 81.1°F (27.3°C) and min 53.6°F (12°C). Livermore's June weather indicates a minor increase in high-temperatures, edging from May's pleasant 73°F (22.8°C) to a moderately hot 81.1°F (27.3°C). Weather in June »
Weather in July
July in Livermore, California, is a hot summer month, with an average temperature fluctuating between 86°F (30°C) and 55.8°F (13.2°C). July, characterized by an average high temperature of 86°F (30°C) and a low temperature of 55.8°F (13.2°C), is generally the warmest month. The heat index value during July is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Livermore, California, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 56.7°F (13.7°C). On the advent of August, Livermore's average high-temperature exhibits a minor adjustment to a moderately hot 85.3°F (29.6°C) from July's 86°F (30°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Livermore, California, with an average temperature varying between 56.5°F (13.6°C) and 82.9°F (28.3°C). September's average high-temperature is a still warm 82.9°F (28.3°C), maintaining a close comparison with August's 85.3°F (29.6°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Livermore, California, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 52.5°F (11.4°C). A minor decrease in the average high-temperature is observed during October, shifting from a warm 82.9°F (28.3°C) in September to a still moderately hot 74.3°F (23.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Livermore, California, with an average temperature varying between 63.7°F (17.6°C) and 46.2°F (7.9°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a moderately hot 74.3°F (23.5°C) in October to a refreshing 63.7°F (17.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cool month in Livermore, California, with an average temperature varying between 41.5°F (5.3°C) and 54.9°F (12.7°C). December proves to be the coldest month, recording an average maximum temperature of 54.9°F (12.7°C) and a minimum temperature of 41.5°F (5.3°C). Weather in December »
Updated: Aug 16, 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
How much does it rain?
Throughout the year, there are 70.6 rainfall days, and 11.3" (287mm) of precipitation is accumulated.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the wettest month?
The month with the most rainfall is February, when the rain falls for 8.2 days and typically aggregates up to 2.09" (53mm) of precipitation.
What is the most humid month?
With an average relative humidity of 74%, March is the most humid month.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Livermore, 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 are the longest days?
June has the longest days of the year, with an average of 14h and 42min of daylight.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What month is the hottest?
In Livermore, the peak average temperatures are observed in July, with a high of 86°F (30°C) and a low of 55.8°F (13.2°C).
What is the least humid month?
July and September, with an average relative humidity of 55%, are the least humid months.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What is the driest month?
August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
What is the coldest time of year?
With average high and low temperatures of 54.9°F (12.7°C) and 41.5°F (5.3°C) respectively, December is Livermore's coldest month.
What is the month with the shortest days?
The month with the shortest days in Livermore is December, with an average of 9h and 36min of daylight.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 6h of sunshine.
Average temperature
Livermore, CA
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (54.9°F).
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure
Livermore, 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:
29.92"Hg
- Average pressure in July:
29.93"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 months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Livermore, CA
- Average wind speed in January:
4.3mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.5mph - Average wind speed in April:
6mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.2mph - Average wind speed in December:
4.6mph
The windiest months (with the highest average wind speed) are May and June (6.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity
Livermore, CA
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).
Average rainfall
Livermore, CA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.09" - Average rainfall in March:
2.01" - Average rainfall in April:
0.75" - Average rainfall in May:
0.43" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.04" - Average rainfall in September:
0.16" - Average rainfall in October:
0.55" - Average rainfall in November:
1.26" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is February (2.09").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days
Livermore, CA
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
7.2 days - Average rainfall days in May:
4.4 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
2.1 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1.3 days).
Average daylight / Average sunshine
Livermore, 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 4min
- 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 42min).
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 1min - Average sunshine in March:
8h and 0min - 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 1min - 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
Livermore, CA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
18.6 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
22.2 days - Average sunshine days in May:
25.4 days - Average sunshine days in June:
27.5 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
26.5 days - Average sunshine days in October:
25.3 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
20 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.6 days).
Average UV index
Livermore, 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
Livermore, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
Livermore, 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).