Climate Insights for Harris River Ranch Airport

Johnson County, California, United States

Hottest
July
34°C peak
Coldest
February
2°C low
Wettest
January
221mm rain
Best to Visit
May, June, September
Mild temps & low rain

Climate Overview

The climate in Harris River Ranch Airport is temperate. The average annual temperature is 15°C and approximately 958mm of precipitation falls per year. January is the wettest month, receiving around 221mm of rainfall. Harris River Ranch Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, December, January, when temperatures can drop to 2°C. Snowfall occurs from January to December, with around 156cm accumulating over the season.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 12° Average: 7° Min: 3° Feb Max: 14° Average: 7° Min: 2° Mar Max: 15° Average: 9° Min: 4° Apr Max: 20° Average: 13° Min: 7° May Max: 23° Average: 16° Min: 10° Jun Max: 30° Average: 22° Min: 15° Jul Max: 34° Average: 26° Min: 18° Aug Max: 33° Average: 26° Min: 18° Sep Max: 30° Average: 22° Min: 14° Oct Max: 24° Average: 16° Min: 9° Nov Max: 18° Average: 11° Min: 5° Dec Max: 13° Average: 6° Min: 2°
Max
Average
Min

Temperatures in Harris River Ranch Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 34°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 2°C and an average of 7°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 221mm Snow: 43mm Feb Precipitation: 180mm Snow: 39mm Mar Precipitation: 210mm Snow: 35mm Apr Precipitation: 87mm Snow: 9mm May Precipitation: 58mm Snow: 3mm Jun Precipitation: 5mm Snow: 0mm Jul Precipitation: 1mm Snow: 0mm Aug Precipitation: 2mm Snow: 0mm Sep Precipitation: 5mm Snow: 0mm Oct Precipitation: 25mm Snow: 0mm Nov Precipitation: 78mm Snow: 16mm Dec Precipitation: 85mm Snow: 11mm
Precipitation
Snow

Harris River Ranch Airport is a moderately rainy area, receiving approximately 958mm of precipitation annually, which averages out to around 80mm per month. The wettest month is January, averaging 221mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 220mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 156cm accumulating over the season. January typically sees the most snow at around 43cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 1km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

Harris River Ranch Airport is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

6 days until Summer

It is currently spring in Harris River Ranch Airport, which began on March 20, 2026. Harris River Ranch Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 34°C, while the coldest stretch bottoms out in February near 2°C. Summer is next, beginning on June 21, 2026 — 6 days from now.

Spring

Temperatures range from 4 to 23°C. Rainfall is heavy, totalling around 355mm across the season with a monthly average of 118mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 15 to 34°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 5 to 30°C. Rainfall is relatively light, with around 109mm over the season and a monthly average of 36mm. Expect around 16cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 2 to 14°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. Expect around 94cm of snow accumulation during this period. Winds are generally light, averaging 1km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar
Apr 13°
May 16°
Jun 22°
Jul 26°
Aug 26°
Sep 22°
Oct 16°
Nov 11°
Dec

The best time to visit Harris River Ranch Airport is during May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 23mm per month. By contrast, July can be uncomfortably hot with highs reaching 34°C, while February is the coldest period with lows dropping to 2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Harris River Ranch Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C
12 °C
1 km/h
221 mm
43 cm
Feb
2 °C
14 °C
2 km/h
180 mm
39 cm
Mar
4 °C
15 °C
2 km/h
210 mm
35 cm
Apr
7 °C
20 °C
2 km/h
87 mm
9 cm
May
10 °C
23 °C
2 km/h
58 mm
3 cm
Jun Current
15 °C
30 °C
2 km/h
5 mm
0 cm
Jul
18 °C
34 °C
2 km/h
1 mm
0 cm
Aug
18 °C
33 °C
2 km/h
2 mm
0 cm
Sep
14 °C
30 °C
2 km/h
5 mm
0 cm
Oct
9 °C
24 °C
1 km/h
25 mm
0 cm
Nov
5 °C
18 °C
1 km/h
78 mm
16 cm
Dec
2 °C
13 °C
1 km/h
85 mm
11 cm
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