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
With the onset of October, Grand Terrace experiences a modest temperature adjustment, with the average high-temperature receding from a tropical 87.4°F (30.8°C) in September to a moderately hot 78.1°F (25.6°C). In Grand Terrace, following the steep rise of daytime temperatures, an average nighttime low of 56.3°F (13.5°C) is anticipated during October.Humidity
The average relative humidity in October in Grand Terrace is 44%.Rainfall
In Grand Terrace, in October, it is raining for 1.8 days, with typically 0.12" (3mm) of accumulated precipitation. In Grand Terrace, during the entire year, the rain falls for 46.6 days and collects up to 6.18" (157mm) of precipitation.Snowfall
In Grand Terrace, snow does not fall in January, March through December.Daylight
The average length of the day in October is 11h and 19min.On the first day of October, sunrise is at 6:44 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:57 pm PDT.
Sunshine
In October, the average sunshine is 9h.UV index
The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 5 in October suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Grand Terrace in October?
What is the average humidity in October in Grand Terrace?
How much does it rain in Grand Terrace in October?
When it does not snow in Grand Terrace?
What is the average length of the day in October in Grand Terrace?
When are sunrise and sunset in October in Grand Terrace?
How many hours of sunshine does Grand Terrace have in October?
How high is the UV index in October in Grand Terrace?
Average temperature in October
Grand Terrace, CA
- Average high temperature in October: 78.1°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in October: 56.3°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in October
Grand Terrace, CA
- Average pressure in October: 29.93"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
Grand Terrace, CA
- Average wind speed in October: 4.8mph
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
Grand Terrace, CA
- Average humidity in October: 44%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is August (38%).
Average rainfall in October
Grand Terrace, CA
- Average rainfall in October: 0.12"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Grand Terrace, CA
- Average rainfall days in October: 1.8 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in October
Grand Terrace, 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
Grand Terrace, 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 month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in October
Grand Terrace, CA
- Average sunshine days in October: 27.9 days
The months with the most sunshine days are June and October (27.9 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in October
Grand Terrace, CA
- Average UV index in October: 5
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 in October
Grand Terrace, CA
- Average cloud cover in October: 9
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Grand Terrace, 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).
Grand Terrace, California, USA
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