Climate and monthly weather forecastMerced, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Merced, California, is another refreshing winter month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 42.4°F (5.8°C). The shift into January finds Merced at an average high-temperature of a still moderate 58.6°F (14.8°C), closely comparable to December's conditions. Weather in January »Weather in February
The last month of the winter, February, is a comfortable month in Merced, California, with an average temperature varying between 61.5°F (16.4°C) and 42.6°F (5.9°C). February denotes a minimal variation in the average high-temperature to an enjoyable 61.5°F (16.4°C) from January's 58.6°F (14.8°C). Weather in February »Weather in March
March, the first month of the spring in Merced, is still a comfortable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 45°F (7.2°C). The arrival of March marks a slight shift to an average high-temperature of a still enjoyable 66.7°F (19.3°C) from February's 61.5°F (16.4°C). Weather in March »Weather in April
April is a moderately hot spring month in Merced, California, with an average temperature fluctuating between 73.4°F (23°C) and 49.1°F (9.5°C). Merced's transition into April sees a mild rise in the average high-temperature, edging from a comfortable 66.7°F (19.3°C) in March to a warm 73.4°F (23°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Merced, California, with an average temperature fluctuating between 55.2°F (12.9°C) and 81.5°F (27.5°C). In May, the average high-temperature marginally rises from 73.4°F (23°C) in April to a still moderately hot 81.5°F (27.5°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Merced, California, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 92.1°F (33.4°C). As June begins, there is an increase in the average high-temperature, moving from a moderately hot 81.5°F (27.5°C) in May to a tropical 92.1°F (33.4°C). Weather in June »Weather in July
July is a very hot summer month in Merced, California, with an average temperature ranging between max 99.1°F (37.3°C) and min 65.5°F (18.6°C). July, with its high-temperature average of 99.1°F (37.3°C) and a low-temperature average of 65.5°F (18.6°C), is the warmest month. Weather in July »Weather in August
August, the last month of the summer in Merced, is another very hot month, with an average temperature fluctuating between 64.8°F (18.2°C) and 97.9°F (36.6°C). The introduction of August notes a subtle temperature variation to a still fiery hot 97.9°F (36.6°C) from July's 99.1°F (37.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Merced, California, with an average temperature fluctuating between 92.3°F (33.5°C) and 62.2°F (16.8°C). With the onset of September, Merced experiences a modest temperature adjustment, with the average high-temperature gently receding from a sweltering 97.9°F (36.6°C) in August to a hot 92.3°F (33.5°C). Weather in September »Weather in October
October, like September, in Merced, California, is another warm autumn month, with an average temperature varying between 55.6°F (13.1°C) and 78.4°F (25.8°C). Observing a mild shift, the average high-temperature during October reduces from September's tropical 92.3°F (33.5°C) to a warm 78.4°F (25.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Merced, California, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 66°F (18.9°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's warm 78.4°F (25.8°C) to a comfortable 66°F (18.9°C). Weather in November »Weather in December
December, the first month of the winter in Merced, is still a refreshing month, with an average temperature varying between 41.9°F (5.5°C) and 55.9°F (13.3°C). December is the month when Merced experiences its coldest temperatures, averaging a high of 55.9°F (13.3°C) and a low of 41.9°F (5.5°C). Weather in December »Updated: Feb 9, 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
January is the most humid month, with an average relative humidity of 70%.
Throughout the year, in Merced, California, there are 62.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Merced.
The month with the most rainfall is March, when the rain falls for 11.3 days and typically aggregates up to 2.44" (62mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Merced, California, 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 42min of daylight.
The months with the highest UV index in Merced, California, are June through August, with an average maximum UV index of 7.
The month of July sees the average highest temperatures in Merced, reaching 99.1°F (37.3°C) at the peak and 65.5°F (18.6°C) at the low.
The least humid month is July, with an average relative humidity of 32%.
July has the most sunshine of the year in Merced, California, with an average of 12.2h of sunshine.
August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
December, marked by an average high-temperature of 55.9°F (13.3°C) and a low-temperature of 41.9°F (5.5°C), is the coldest month.
December has the shortest days of the year in Merced, California, with an average of 9h and 36min of daylight.
With an average of 6.1h of sunshine, December has the least sunshine of the year in Merced, California.
Average temperature
Merced, CA
The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure
Merced, CA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.02"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:
29.92"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Merced, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.3mph - Average wind speed in April:
7.1mph - Average wind speed in May:
7.6mph - Average wind speed in June:
8.3mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.2mph - Average wind speed in September:
6.3mph - Average wind speed in October:
5.8mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).
Average humidity
Merced, CA
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall
Merced, CA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.97" - Average rainfall in March:
2.44" - Average rainfall in April:
0.94" - Average rainfall in May:
0.75" - Average rainfall in June:
0.16"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.59" - Average rainfall in November:
1.06" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days
Merced, CA
- Average rainfall days in January:
7 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
7.5 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
1.9 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
8.7 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).
Average daylight / Average sunshine
Merced, 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 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 36min
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 18min - Average sunshine in February:
6h and 18min - Average sunshine in March:
8h and 12min - Average sunshine in April:
10h and 30min - Average sunshine in May:
11h and 18min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 24min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days
Merced, CA
- Average sunshine days in January:
23.4 days - Average sunshine days in February:
20.5 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
22.2 days - Average sunshine days in May:
25.4 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
27.1 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
23.2 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).
Average UV index
Merced, CA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Merced, CA
The month with the most cloud cover is March (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
Merced, 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).
