Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a tropical 88.3°F (31.3°C) in September to a moderately hot 78.8°F (26°C). Fontana registers a marked temperature plunge to a moderate 57.2°F (14°C) during the cool October nights.Humidity
In Fontana, the average relative humidity in October is 44%.Rainfall
In Fontana, in October, during 2.2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 48.1 rainfall days, and 6.89" (175mm) of precipitation is accumulated.Snowfall
In Fontana, California, snow does not fall in January, March through December.Daylight
In Fontana, the average length of the day in October is 11h and 19min.On the first day of the month, sunrise is at 6:44 am and sunset at 6:33 pm. On the last day of October, in Fontana, sunrise is at 7:09 am and sunset at 5:57 pm PDT.
Sunshine
The average sunshine in October in Fontana is 9h.UV index
The average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In October, the maximum UV index of 5 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the usual temperature for Fontana in October?
What is the average humidity in October in Fontana?
How many days does it rain in October in Fontana?
When it does not snow in Fontana?
What is the average length of the day in October in Fontana?
What time are sunrise and sunset in October in Fontana?
How many hours of sunshine does Fontana have in October?
What is the UV index intensity in October in Fontana?
Average temperature in October
Fontana, CA
- Average high temperature in October: 78.8°F
The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is December (60.8°F).
- Average low temperature in October: 57.2°F
The month with the highest average low temperature is August (67.3°F).
The coldest months (with the lowest average low temperature) are February and December (44.2°F).
Average pressure in October
Fontana, CA
- Average pressure in October: 29.94"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Fontana, CA
- Average wind speed in October: 4.9mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in October
Fontana, CA
- Average humidity in October: 44%
The months with the highest relative humidity are February, March and May (52%).
The month with the lowest relative humidity is August (39%).
Average rainfall in October
Fontana, CA
- Average rainfall in October: 0.16"
The wettest month (with the highest rainfall) is February (1.57").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Fontana, CA
- Average rainfall days in October: 2.2 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in October
Fontana, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in October /
Average sunshine in October
Fontana, CA
- Average daylight in October: 11h and 2min
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 October: 9h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in October
Fontana, CA
- Average sunshine days in October: 28 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in October
Fontana, CA
- Average UV index in October: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in October
Fontana, CA
- Average cloud cover in October: 9
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in October
Fontana, CA
- Average visibility in October: 6mi
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).
Fontana, California, USA
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