Climate Insights for Greenfield

Pierce County, California, United States

Hottest
July
33°C peak
Coldest
December
4°C low
Wettest
January
88mm rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Greenfield is temperate. The average annual temperature is 16°C and approximately 308mm of precipitation falls per year. January is the wettest month, receiving around 88mm of rainfall. Greenfield 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 December, February, January, when temperatures can drop to 4°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 16° Average: 9° Min: 5° Feb Max: 17° Average: 10° Min: 5° Mar Max: 18° Average: 12° Min: 6° Apr Max: 23° Average: 15° Min: 8° May Max: 26° Average: 17° Min: 11° Jun Max: 31° Average: 22° Min: 15° Jul Max: 33° Average: 25° Min: 17° Aug Max: 33° Average: 24° Min: 17° Sep Max: 30° Average: 22° Min: 15° Oct Max: 26° Average: 18° Min: 11° Nov Max: 20° Average: 12° Min: 6° Dec Max: 16° Average: 9° Min: 4°
Max
Average
Min

Temperatures in Greenfield vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 25°C. December is the coolest month, with minimum temperatures around 4°C and an average of 9°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°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: 88mm Feb Precipitation: 51mm Mar Precipitation: 57mm Apr Precipitation: 15mm May Precipitation: 9mm Jun Precipitation: 2mm Jul Precipitation: 1mm Aug Precipitation: 1mm Sep Precipitation: 2mm Oct Precipitation: 6mm Nov Precipitation: 26mm Dec Precipitation: 51mm
Precipitation

Greenfield is a quite dry location, receiving approximately 308mm of precipitation annually, which averages out to around 26mm per month. The wettest month is January, averaging 88mm of rainfall. March and February also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 87mm 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 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 12km/h Feb Wind Speed: 14km/h Mar Wind Speed: 14km/h Apr Wind Speed: 15km/h May Wind Speed: 14km/h Jun Wind Speed: 13km/h Jul Wind Speed: 12km/h Aug Wind Speed: 11km/h Sep Wind Speed: 11km/h Oct Wind Speed: 11km/h Nov Wind Speed: 11km/h Dec Wind Speed: 12km/h
Wind Speed

Greenfield is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.

Seasons

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

83 days until Summer

It is currently spring in Greenfield, which began on March 20, 2026. Greenfield 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 33°C, while the coldest stretch bottoms out in December near 4°C. Summer is next, beginning on June 21, 2026 — 83 days from now.

Spring

Temperatures range from 6 to 26°C. Rainfall is relatively light, with around 81mm over the season and a monthly average of 27mm. Winds are generally light, averaging 14km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 15 to 33°C. Precipitation is minimal, with only around 3mm for the entire season. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 30°C. Precipitation is minimal, with only around 34mm for the entire season. Winds are generally light, averaging 11km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 4 to 17°C. Precipitation is moderate at around 189mm for the season, averaging 63mm per month. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb 10°
Mar 12°
Apr 15°
May 17°
Jun 22°
Jul 25°
Aug 24°
Sep 22°
Oct 18°
Nov 12°
Dec

The best time to visit Greenfield is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 3mm per month. By contrast, December can be quite cold with temperatures dropping to 4°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 Greenfield 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
5 °C
16 °C
12 km/h
88 mm
0 cm
Feb
5 °C
17 °C
14 km/h
51 mm
0 cm
Mar Current
6 °C
18 °C
14 km/h
57 mm
0 cm
Apr
8 °C
23 °C
15 km/h
15 mm
0 cm
May
11 °C
26 °C
14 km/h
9 mm
0 cm
Jun
15 °C
31 °C
13 km/h
2 mm
0 cm
Jul
17 °C
33 °C
12 km/h
1 mm
0 cm
Aug
17 °C
33 °C
11 km/h
1 mm
0 cm
Sep
15 °C
30 °C
11 km/h
2 mm
0 cm
Oct
11 °C
26 °C
11 km/h
6 mm
0 cm
Nov
6 °C
20 °C
11 km/h
26 mm
0 cm
Dec
4 °C
16 °C
12 km/h
51 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)