Climate and monthly weather forecastGuasti, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Guasti, California, is another comfortable winter month, with an average temperature varying between 65.7°F (18.7°C) and 47.1°F (8.4°C). Guasti's weather, upon January's arrival, documents an average high-temperature of a still comfortable 65.7°F (18.7°C), nearly identical to the prior month. Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Guasti, California, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 45.9°F (7.7°C). Guasti's weather, upon February's arrival, documents an average high-temperature of a still refreshing 65.3°F (18.5°C), nearly identical to the prior month. Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Guasti, California, with an average temperature ranging between max 68.9°F (20.5°C) and min 48°F (8.9°C). March ushers in an average high-temperature of an agreeable 68.9°F (20.5°C), aligning closely with the preceding month. Weather in March »Weather in April
April in Guasti, California, is a warm spring month, with an average temperature ranging between min 50.9°F (10.5°C) and max 73.8°F (23.2°C). The advent of April presents an average high-temperature of a moderately hot 73.8°F (23.2°C), maintaining a close correlation with the preceding month. Weather in April »Weather in May
May, the last month of the spring in Guasti, is also a moderately hot month, with temperature in the range of an average high of 77°F (25°C) and an average low of 54.1°F (12.3°C). With the advent of May, Guasti's high-temperatures adjust to a still warm 77°F (25°C), closely aligning with the preceding month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Guasti, California, with an average temperature ranging between min 58.6°F (14.8°C) and max 84.7°F (29.3°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a moderately hot 77°F (25°C) to a still warm 84.7°F (29.3°C). Weather in June »Weather in July
July in Guasti, California, is a tropical summer month, with an average temperature varying between 90.5°F (32.5°C) and 64.9°F (18.3°C). As July arrives, a slight rise in the average high-temperature is observed, moving from a warm 84.7°F (29.3°C) in June to a hot 90.5°F (32.5°C). Weather in July »Weather in August
August, the last month of the summer in Guasti, is another tropical month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 66.4°F (19.1°C). August registers as the month with the highest average temperatures, reaching 91.9°F (33.3°C) at its peak and 66.4°F (19.1°C) at the lowest. August's heat index is computed to be a torrid 95°F (35°C). Weather in August »Weather in September
September, the first month of the autumn in Guasti, is also a hot month, with an average temperature ranging between max 88.7°F (31.5°C) and min 64.2°F (17.9°C). Guasti transitions into September recording an average high-temperature of a still tropical 88.7°F (31.5°C), closely aligning with the preceding month's temperature. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Guasti, California, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 79.7°F (26.5°C). With the onset of October, Guasti's average high-temperature adjusts, receding from September's tropical 88.7°F (31.5°C) to a moderately hot 79.7°F (26.5°C). Weather in October »Weather in November
November, the last month of the autumn in Guasti, is also an agreeable month, with an average temperature varying between 72°F (22.2°C) and 52.3°F (11.3°C). November witnesses a gentle descent in average high-temperature, descending from October's moderately hot 79.7°F (26.5°C) to a pleasant 72°F (22.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Guasti, California, with an average temperature varying between 46.2°F (7.9°C) and 63°F (17.2°C). Guasti's coldest weather arrives in December, when temperatures average a high of 63°F (17.2°C) and a low of 46.2°F (7.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Guasti, CA
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (63°F).
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is February (45.9°F).
Average pressure
Guasti, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.86"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"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 month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed
Guasti, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.1mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity
Guasti, CA
The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Guasti, CA
- Average rainfall in January:
0.98" - Average rainfall in February:
1.42" - Average rainfall in March:
0.75" - Average rainfall in April:
0.63" - Average rainfall in May:
0.2" - 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:
0.16" - Average rainfall in November:
0.71" - Average rainfall in December:
1.42"
The wettest months (with the highest rainfall) are February and December (1.42").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days
Guasti, CA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
5.5 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
1.9 days - Average rainfall days in October:
2.1 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.1 days).
Average daylight / Average sunshine
Guasti, 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 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 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 54min - Average sunshine in March:
9h and 0min - Average sunshine in April:
11h and 12min - Average sunshine in May:
11h and 36min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 42min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days
Guasti, CA
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
21.5 days - Average sunshine days in March:
23.3 days - Average sunshine days in April:
23.8 days - Average sunshine days in May:
25.1 days - Average sunshine days in June:
27.9 days
- Average sunshine days in July:
27 days - Average sunshine days in August:
28.6 days - Average sunshine days in September:
26.8 days - Average sunshine days in October:
27.2 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
23.9 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (21.5 days).
Average UV index
Guasti, CA
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Guasti, CA
The months with the most cloud cover are February, March and December (Cloud cover 21).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
Guasti, 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).





