Climate and monthly weather forecastGrover Beach, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Grover Beach, California, is another refreshing winter month, with an average temperature fluctuating between 63°F (17.2°C) and 47.5°F (8.6°C). January's arrival registers an average high-temperature of a still enjoyable 63°F (17.2°C), closely aligning with the temperature of the previous month. Weather in January »Weather in February
February, the last month of the winter in Grover Beach, is also an enjoyable month, with an average temperature varying between 46°F (7.8°C) and 62.2°F (16.8°C). Grover Beach starts February with an average high-temperature of a still refreshing 62.2°F (16.8°C), hinting at a minimal fluctuation from January. Weather in February »Weather in March
March, the first month of the spring in Grover Beach, is still a comfortable month, with an average temperature fluctuating between 64.9°F (18.3°C) and 46.9°F (8.3°C). The advent of March signifies a minor shift to an average high-temperature of a still comfortable 64.9°F (18.3°C), aligning closely with February. Weather in March »Weather in April
April, the same as March, is another comfortable spring month in Grover Beach, California, with an average temperature varying between 67.6°F (19.8°C) and 48.6°F (9.2°C). April's average high-temperature is a still enjoyable 67.6°F (19.8°C), maintaining a close comparison with March's 64.9°F (18.3°C). Weather in April »Weather in May
May, the last month of the spring in Grover Beach, is a pleasant month, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 51.4°F (10.8°C). Grover Beach experiences an average high-temperature of an agreeable 70.5°F (21.4°C) with the onset of May, subtly varied from April's 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Grover Beach, California, with an average temperature fluctuating between 75.4°F (24.1°C) and 55°F (12.8°C). At the start of June, Grover Beach's average high-temperature reaches a moderately hot 75.4°F (24.1°C), subtly different from the preceding month. Weather in June »Weather in July
July, like June, in Grover Beach, California, is another warm summer month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 58.5°F (14.7°C). Grover Beach sees the arrival of July with an average high-temperature of a still moderately hot 78.6°F (25.9°C), indicating a subtle variation from June. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Grover Beach, California, with an average temperature ranging between max 78.8°F (26°C) and min 59.2°F (15.1°C). Grover Beach's average high-temperature in August is a still moderately hot 78.8°F (26°C), marking an insignificant difference from the 78.6°F (25.9°C) of July. Weather in August »Weather in September
September, the first month of the autumn in Grover Beach, is also a moderately hot month, with an average temperature ranging between max 79.5°F (26.4°C) and min 59.9°F (15.5°C). September, known for its average high temperature of 79.5°F (26.4°C) and an average low temperature of 59.9°F (15.5°C), is the warmest month. Weather in September »Weather in October
October, like September, in Grover Beach, California, is another warm autumn month, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 74.3°F (23.5°C). Grover Beach observes an average high-temperature of a still moderately hot 74.3°F (23.5°C) in October, barely different from 79.5°F (26.4°C) in September. Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Grover Beach, California, with an average temperature ranging between max 67.8°F (19.9°C) and min 51.4°F (10.8°C). With November's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 74.3°F (23.5°C) in October to an enjoyable 67.8°F (19.9°C). Weather in November »Weather in December
December, the first month of the winter in Grover Beach, is still a comfortable month, with an average temperature fluctuating between 61.2°F (16.2°C) and 46.8°F (8.2°C). Grover Beach's temperature records reveal December as the coldest month, marked by average highs of 61.2°F (16.2°C) and lows of 46.8°F (8.2°C). Weather in December »Updated: Aug 28, 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
In Grover Beach, during the entire year, the rain falls for 47.6 days and collects up to 6.93" (176mm) of precipitation.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.
The months with the least sunshine are February and December, with an average of 6.5h of sunshine.
The most humid month is March, with an average relative humidity of 68%.
March is the month with the most rainfall. Rain falls for 8.4 days and accumulates 1.61" (41mm) 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.
June and August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.04" (1mm) of rain.
The month with the longest days is June, with an average of 14h and 30min of daylight.
The months with the most sunshine are June through August, with an average of 12h of sunshine.
June and August, with an average maximum UV index of 6, are months with the highest UV index.
September, with its high-temperature average of 79.5°F (26.4°C) and a low-temperature average of 59.9°F (15.5°C), is the warmest month.
The least humid month in Grover Beach is October, with an average relative humidity of 58%.
Grover Beach experiences its lowest temperatures in December, with an average peak of 61.2°F (16.2°C) and a low of 46.8°F (8.2°C).
The month with the shortest days in Grover Beach is December, with an average of 9h and 48min of daylight.
Average temperature
Grover Beach, CA
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure
Grover Beach, CA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed
Grover Beach, CA
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.3mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Grover Beach, CA
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall
Grover Beach, CA
- Average rainfall in January:
1.22" - Average rainfall in February:
1.22" - Average rainfall in March:
1.61" - Average rainfall in April:
0.47" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.35" - Average rainfall in November:
0.59" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days
Grover Beach, CA
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
5.4 days - Average rainfall days in May:
3 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
2.5 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
2.9 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight / Average sunshine
Grover Beach, CA
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - 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 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 30min - Average sunshine in March:
8h and 36min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 18min - Average sunshine in October:
7h and 36min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 30min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days
Grover Beach, CA
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
21 days - Average sunshine days in March:
22.2 days - Average sunshine days in April:
24.3 days - Average sunshine days in May:
27.2 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
27.5 days - Average sunshine days in August:
29.6 days - Average sunshine days in September:
28.2 days - Average sunshine days in October:
27.4 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
24 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index
Grover Beach, CA
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Grover Beach, CA
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Grover Beach, 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).
