Climate and monthly weather forecastGarden Grove, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Garden Grove, California, with an average temperature ranging between min 52.3°F (11.3°C) and max 65.1°F (18.4°C). The commencement of January brings an average high-temperature of a still comfortable 65.1°F (18.4°C), marking an inconsequential divergence from December. Weather in January »Weather in February
February, the last month of the winter in Garden Grove, is another refreshing month, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 64.4°F (18°C). Garden Grove ushers in February with an average high-temperature of a still comfortable 64.4°F (18°C), showing a close resemblance to the previous month. Weather in February »Weather in March
March, the first month of the spring in Garden Grove, is still a refreshing month, with an average temperature ranging between min 52.7°F (11.5°C) and max 66.7°F (19.3°C). Garden Grove marks the arrival of March with an average high-temperature of a still refreshing 66.7°F (19.3°C), hardly different from February's 64.4°F (18°C). Weather in March »Weather in April
April is an agreeable spring month in Garden Grove, California, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 68.7°F (20.4°C). The average high-temperature in April, at an agreeable 68.7°F (20.4°C), reveals a modest deviation from March's 66.7°F (19.3°C). Weather in April »Weather in May
The last month of the spring, May, is another pleasant month in Garden Grove, California, with an average temperature fluctuating between 70.3°F (21.3°C) and 56.5°F (13.6°C). May's presence marks an average high-temperature of a still pleasant 70.3°F (21.3°C), subtly varied from April's 68.7°F (20.4°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Garden Grove, California, with an average temperature ranging between max 74.1°F (23.4°C) and min 58.8°F (14.9°C). Garden Grove records an average high-temperature of a warm 74.1°F (23.4°C) as June arrives, nearly mirroring the previous month's climate. Weather in June »Weather in July
July, like June, in Garden Grove, California, is another warm summer month, with an average temperature ranging between min 63.3°F (17.4°C) and max 78.6°F (25.9°C). The commencement of July introduces an average high-temperature of a still warm 78.6°F (25.9°C), closely mirroring the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Garden Grove, California, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 80.2°F (26.8°C). The warmest temperatures occur during August, when averages reach a peak of 80.2°F (26.8°C) and a low of 65.1°F (18.4°C). Weather in August »Weather in September
September, the first month of the autumn in Garden Grove, is still a warm month, with an average temperature varying between 79.7°F (26.5°C) and 64.8°F (18.2°C). The onset of September marks an average high-temperature of a still warm 79.7°F (26.5°C), hardly differing from August's 80.2°F (26.8°C). Weather in September »Weather in October
October, like September, in Garden Grove, California, is a moderately hot autumn month, with an average temperature ranging between max 75.4°F (24.1°C) and min 61.7°F (16.5°C). October denotes a minimal variation in the average high-temperature to a still moderately hot 75.4°F (24.1°C) from September's 79.7°F (26.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another pleasant month in Garden Grove, California, with an average temperature fluctuating between 57.4°F (14.1°C) and 70.2°F (21.2°C). Garden Grove's shift from October to November is accompanied by an average high-temperature of a pleasant 70.2°F (21.2°C), a slight deviation from 75.4°F (24.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Garden Grove, California, with an average temperature varying between 52.2°F (11.2°C) and 63.5°F (17.5°C). December, noted for its average high-temperature of 63.5°F (17.5°C) and an average low-temperature of 52.2°F (11.2°C), is considered the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Garden Grove, CA
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (63.5°F).
The month with the highest average low temperature is August (65.1°F).
The coldest month (with the lowest average low temperature) is February (51.4°F).
Average pressure
Garden Grove, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed
Garden Grove, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.3mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
4.9mph - Average wind speed in October:
5mph - Average wind speed in November:
5.3mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity
Garden Grove, CA
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (54%).
Average rainfall
Garden Grove, CA
- Average rainfall in January:
0.35" - Average rainfall in February:
0.55" - Average rainfall in March:
0.39" - Average rainfall in April:
0.24" - Average rainfall in May:
0.08" - Average rainfall in June:
0"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.08" - Average rainfall in November:
0.31" - Average rainfall in December:
0.71"
The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the least rainfall) is June (0").
Average rainfall days
Garden Grove, CA
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
6 days - Average rainfall days in April:
4.4 days - Average rainfall days in May:
2.7 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
3.2 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).
Average daylight / Average sunshine
Garden Grove, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 42min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 36min - Average sunshine in October:
8h and 30min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Garden Grove, CA
- Average sunshine days in January:
26.3 days - Average sunshine days in February:
22.1 days - Average sunshine days in March:
24.2 days - Average sunshine days in April:
23.8 days - Average sunshine days in May:
26.3 days - Average sunshine days in June:
28.1 days
- Average sunshine days in July:
26.2 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
26.3 days - Average sunshine days in October:
26.5 days - Average sunshine days in November:
25 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (22.1 days).
Average UV index
Garden Grove, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
Garden Grove, 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
Garden Grove, 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).





