Metar & Taf

Visual decoder

Weather in Riverside County

Calculated from weather data of French Valley Airport (KF70) between 2020 and 2024.

Maximum temperatures (°C)

Month Average 2024 2023 2022 2021 2020
January 18.6 17.8 15.5 20.0 19.6 19.5
February 18.6 16.8 16.6 21.1 20.1 21.1
March 20.0 18.3 16.5 23.3 19.6 18.1
April 24.0 23.6 24.6 24.3 21.6
May 24.3 21.8 25.8 25.1 27.5
June 29.2 25.1 32.1 31.0 28.3
July 33.4 34.3 32.3 33.3 32.8
August 33.8 33.6 34.7 33.1 34.8
September 31.4 27.5 33.3 31.8 35.0
October 27.9 28.5 26.6 25.6 30.1
November 23.6 23.5 19.8 26.3 23.6
December 18.9 20.5 15.5 16.8 20.3
Average 24.5 17.6 24.0 26.1 25.5 26.1

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month Average 2024 2023 2022 2021 2020
January 5.1 5 5 6 5 4
February 5.0 7 3 4 5 5
March 6.9 7 6 7 6 7
April 9.5 8 10 9 11
May 11.4 11 11 11 13
June 14.0 13 15 14 14
July 17.6 17 17 19 16
August 18.3 18 20 18 19
September 16.4 16 19 16 16
October 12.0 13 13 11 13
November 7.5 8 6 8 7
December 5.0 6 4 5 4
Average 10.2 6.3 10.3 11.1 10.5 10.6

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days 2024 2023 2022 2021 2020
30 °C or warmer 0 79 107 103 116
25 °C or warmer 0 151 187 184 191
20 °C or warmer 20 231 269 267 273
0 °C or colder 1 3 1 0 2

Precipitation (%)

Month Average 2024 2023 2022 2021 2020
January 2.4 6 14 0 0 0
February 2.5 14 4 3 0 0
March 3.7 10 15 2 5 0
April 0.2 0 0 1 0
May 0.3 2 0 0 0
June 0.0 0 0 0 0
July 0.1 0 0 1 0
August 0.2 2 0 0 0
September 0.3 0 2 0 0
October 0.4 1 0 3 0
November 0.6 1 4 0 0
December 2.4 1 7 11 0
Average 1.9 9.7 3.2 1.1 1.6

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month Average 2024 2023 2022 2021 2020
January 6.6 6 8 6 6 6
February 7.7 7 10 9 6 7
March 8.3 9 9 10 8 7
April 9.3 8 9 10 8
May 9.8 9 10 10 8
June 9.2 9 10 9 9
July 9.5 9 10 10 9
August 9.5 9 10 9 9
September 8.1 8 9 9 2
October 7.5 8 8 9 3
November 6.9 7 8 7 4
December 5.7 5 5 6 4
Average 8.2 7.4 8.3 8.7 8.2 6.4

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month 2024 2023 2022 2021 2020
January SW SW N NW W
February SW SW NW SW SW
March SW SW SW SW SW
April SW SW SW SW
May SW SW SW SW
June SW SW SW SW
July SW SW SW SW
August SW SW SW SW
September SW SW SW SW
October SW SW SW SW
November SW SW SW SW
December NW SW SW SE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Riverside County weather Q&A

What is the warmest month in Riverside County?

The warmest month is August with an average temperature of 34 °C over the past years.

What is the coldest month in Riverside County?

The coldest month is February with an average daytime temperature of 19 °C in the past few years.

Which month is the wettest in Riverside County?

Chance of precipitation is the highest in March with a probability of around 3.8 %.

Which month is the driest in Riverside County?

The least rainfall and snow can be expected in June. The probability is about 0.0 %.