Climate Insights for Avalon

Sweetwater County, California, United States

Hottest
September
20°C peak
Coldest
February
13°C low
Wettest
January
60mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Avalon is temperate. The average annual temperature is 17°C and approximately 253mm of precipitation falls per year. January is the wettest month, receiving around 60mm of rainfall. Avalon is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 13°C.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 16° Average: 15° Min: 14° Feb Max: 15° Average: 14° Min: 13° Mar Max: 15° Average: 14° Min: 14° Apr Max: 16° Average: 15° Min: 14° May Max: 16° Average: 15° Min: 15° Jun Max: 18° Average: 17° Min: 16° Jul Max: 20° Average: 19° Min: 18° Aug Max: 20° Average: 20° Min: 19° Sep Max: 20° Average: 20° Min: 19° Oct Max: 20° Average: 19° Min: 19° Nov Max: 18° Average: 17° Min: 16° Dec Max: 16° Average: 15° Min: 14°
Max
Average
Min

Avalon has relatively stable temperatures year-round, staying within a 7°C range. September is the warmest month, though highs remain moderate at 20°C with a mean of 20°C. February is the coolest month, with minimum temperatures around 13°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows. The sharpest temperature change occurs between November and December, with a 2°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 60mm Feb Precipitation: 40mm Mar Precipitation: 37mm Apr Precipitation: 18mm May Precipitation: 11mm Jun Precipitation: 3mm Jul Precipitation: 2mm Aug Precipitation: 1mm Sep Precipitation: 3mm Oct Precipitation: 5mm Nov Precipitation: 22mm Dec Precipitation: 50mm
Precipitation

Avalon is a quite dry location, receiving approximately 253mm of precipitation annually, which averages out to around 21mm per month. The wettest month is January, averaging 60mm of rainfall. December and February also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 59mm 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.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 4km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 4km/h
Wind Speed

Avalon is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/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

2 days until Summer

It is currently spring in Avalon, which began on March 20, 2026. Avalon 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 September at around 20°C, while the coldest stretch bottoms out in February near 13°C. Summer is next, beginning on June 21, 2026 — 2 days from now.

Spring

Temperatures range from 14 to 16°C. Rainfall is relatively light, with around 66mm over the season and a monthly average of 22mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 16 to 20°C. Precipitation is minimal, with only around 6mm for the entire season. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 16 to 20°C. Precipitation is minimal, with only around 30mm for the entire season. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 13 to 16°C. Rainfall is relatively light, with around 150mm over the season and a monthly average of 50mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 15°
Feb 14°
Mar 14°
Apr 15°
May 15°
Jun 17°
Jul 19°
Aug 20°
Sep 20°
Oct 19°
Nov 17°
Dec 15°

The best time to visit Avalon is during May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 12mm per month. By contrast, February can be quite cold with temperatures dropping to 13°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 Avalon 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. 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
14 °C
16 °C
4 km/h
60 mm
0 cm
Feb
13 °C
15 °C
4 km/h
40 mm
0 cm
Mar
14 °C
15 °C
4 km/h
37 mm
0 cm
Apr
14 °C
16 °C
4 km/h
18 mm
0 cm
May
15 °C
16 °C
4 km/h
11 mm
0 cm
Jun Current
16 °C
18 °C
4 km/h
3 mm
0 cm
Jul
18 °C
20 °C
4 km/h
2 mm
0 cm
Aug
19 °C
20 °C
4 km/h
1 mm
0 cm
Sep
19 °C
20 °C
4 km/h
3 mm
0 cm
Oct
19 °C
20 °C
3 km/h
5 mm
0 cm
Nov
16 °C
18 °C
3 km/h
22 mm
0 cm
Dec
14 °C
16 °C
4 km/h
50 mm
0 cm
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