Climate and monthly weather forecastGustine, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Gustine, California, with an average temperature ranging between max 58.6°F (14.8°C) and min 41.5°F (5.3°C). January's weather displays an average high-temperature of a still refreshing 58.6°F (14.8°C), slightly varied from December's 56.3°F (13.5°C). Weather in January »Weather in February
February, the last month of the winter in Gustine, is an enjoyable month, with an average temperature fluctuating between 41.9°F (5.5°C) and 61.2°F (16.2°C). As Gustine steps into February, the average high-temperature holds at a still refreshing 61.2°F (16.2°C), hinting at a minor fluctuation from the prior month. Weather in February »Weather in March
The first month of the spring, March, is also an enjoyable month in Gustine, California, with an average temperature fluctuating between 65.8°F (18.8°C) and 43.9°F (6.6°C). The shift to March signals an average high-temperature of a still comfortable 65.8°F (18.8°C), subtly varied from February's 61.2°F (16.2°C). Weather in March »Weather in April
April in Gustine, California, is a pleasant spring month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 47.8°F (8.8°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's enjoyable 65.8°F (18.8°C) to an agreeable 72.1°F (22.3°C). Weather in April »Weather in May
May, the last month of the spring in Gustine, is a warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 52.7°F (11.5°C). With the onset of May, Gustine's average high-temperature sees a modest rise, moving from April's agreeable 72.1°F (22.3°C) to a warm 79.7°F (26.5°C). Weather in May »Weather in June
June, the first month of the summer in Gustine, is a tropical month, with an average temperature ranging between min 58.6°F (14.8°C) and max 90°F (32.2°C). An escalation in the average high-temperature is seen with the onset of June, moving from a warm 79.7°F (26.5°C) in May to a hot 90°F (32.2°C). Weather in June »Weather in July
July in Gustine, California, is a torrid summer month, with an average temperature ranging between min 61.9°F (16.6°C) and max 96.4°F (35.8°C). July temperatures tend to peak at an average high of 96.4°F (35.8°C) and dip to a low of 61.9°F (16.6°C). Weather in July »Weather in August
August, the last month of the summer in Gustine, is another very hot month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 95.5°F (35.3°C). Gustine sees the arrival of August with an average high-temperature of a still fiery hot 95.5°F (35.3°C), indicating a subtle variation from July. Weather in August »Weather in September
September, the first month of the autumn in Gustine, is also a hot month, with an average temperature varying between 59.9°F (15.5°C) and 90.3°F (32.4°C). Entering September, Gustine's average high-temperature reads a hot 90.3°F (32.4°C), indicating a close resemblance to the previous month's climate. Weather in September »Weather in October
October, like September, in Gustine, California, is a moderately hot autumn month, with an average temperature ranging between max 77.9°F (25.5°C) and min 54.1°F (12.3°C). With October's onset, the weather shows a temperature decrease, transitioning from a tropical 90.3°F (32.4°C) in September to a moderately hot 77.9°F (25.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Gustine, California, with an average temperature varying between 65.7°F (18.7°C) and 46.4°F (8°C). A decrease in the average high-temperature is observed during November, shifting from a warm 77.9°F (25.5°C) in October to a refreshing 65.7°F (18.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Gustine, California, with an average temperature ranging between max 56.3°F (13.5°C) and min 41°F (5°C). In Gustine, December records the lowest average temperatures, peaking at 56.3°F (13.5°C) and reaching a low of 41°F (5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Gustine, CA
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (56.3°F).
The months with the highest average low temperature are July and August (61.9°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure
Gustine, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.03"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:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Gustine, CA
- Average wind speed in January:
4.4mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
5.8mph - Average wind speed in October:
5.3mph - Average wind speed in November:
4.6mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity
Gustine, CA
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (38%).
Average rainfall
Gustine, CA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.59" - Average rainfall in March:
0.55" - Average rainfall in April:
0.24" - Average rainfall in May:
0.12" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.12" - Average rainfall in November:
0.28" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is December (0.83").
The driest months (with the least rainfall) are June, August and September (0.04").
Average rainfall days
Gustine, CA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
6.6 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
2.7 days - Average rainfall days in June:
0.7 days
- Average rainfall days in July:
1.7 days - Average rainfall days in August:
1 days - Average rainfall days in September:
1.2 days - Average rainfall days in October:
1.8 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 (6.6 days).
The month with the least rainy days is June (0.7 days).
Average daylight / Average sunshine
Gustine, 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 24min - Average sunshine in February:
6h and 24min - Average sunshine in March:
8h and 30min - Average sunshine in April:
10h and 48min - Average sunshine in May:
11h and 24min - 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 30min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 18min
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 18min).
Average sunshine days
Gustine, CA
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
22.3 days - Average sunshine days in March:
24 days - Average sunshine days in April:
25.3 days - Average sunshine days in May:
28 days - Average sunshine days in June:
29 days
- Average sunshine days in July:
28.5 days - Average sunshine days in August:
29.3 days - Average sunshine days in September:
28.1 days - Average sunshine days in October:
28.7 days - Average sunshine days in November:
26.6 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (22.3 days).
Average UV index
Gustine, CA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Gustine, CA
The months with the most cloud cover are March and December (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility
Gustine, 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).





