Climate Insights for Republic

Johnson County, Washington, United States

Hottest
August
27°C peak
Coldest
February
-7°C low
Wettest
May
88mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Republic is cool. The average annual temperature is 7°C and approximately 718mm of precipitation falls per year. May is the wettest month, receiving around 88mm of rainfall. Republic is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to -7°C. Republic experiences heavy snowfall, typically from January through December.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -1° Average: -4° Min: -6° Feb Max: 1° Average: -4° Min: -7° Mar Max: 6° Average: 1° Min: -3° Apr Max: 13° Average: 7° Min: 2° May Max: 19° Average: 12° Min: 7° Jun Max: 22° Average: 15° Min: 9° Jul Max: 27° Average: 19° Min: 12° Aug Max: 27° Average: 19° Min: 12° Sep Max: 20° Average: 13° Min: 8° Oct Max: 10° Average: 5° Min: 1° Nov Max: 4° Average: 1° Min: -2° Dec Max: -1° Average: -4° Min: -7°
Max
Average
Min

Temperatures in Republic vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 19°C. The coldest month is February, when overnight lows fall to -7°C and the daily average is -4°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°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: 86mm Snow: 79mm Feb Precipitation: 56mm Snow: 47mm Mar Precipitation: 83mm Snow: 50mm Apr Precipitation: 73mm Snow: 16mm May Precipitation: 88mm Snow: 2mm Jun Precipitation: 51mm Snow: 0mm Jul Precipitation: 26mm Snow: 0mm Aug Precipitation: 13mm Snow: 0mm Sep Precipitation: 46mm Snow: 5mm Oct Precipitation: 69mm Snow: 10mm Nov Precipitation: 66mm Snow: 49mm Dec Precipitation: 61mm Snow: 55mm
Precipitation
Snow

Republic is a relatively dry area, receiving approximately 718mm of precipitation annually, which averages out to around 60mm per month. The wettest month is May, averaging 88mm of rainfall. January and March also tend to see above-average precipitation. The driest month is August, with just 13mm. That's 75mm less than May, 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. Republic receives heavy snowfall, accumulating around 314cm annually from January through December. The snowiest month is January, with approximately 79cm. Winter travel should account for significant snow cover.

Wind

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

Republic 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 March, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

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

75 days until Autumn

It is currently summer in Republic, which began on June 21, 2026. Republic 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 August at around 27°C, while the coldest stretch bottoms out in February near -7°C. Autumn is next, beginning on September 23, 2026 — 75 days from now.

Spring

Temperatures range from -3 to 19°C. Precipitation is moderate at around 245mm for the season, averaging 82mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 9 to 27°C. Rainfall is relatively light, with around 90mm over the season and a monthly average of 30mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -2 to 20°C. Precipitation is moderate at around 180mm for the season, averaging 60mm per month. Expect around 65cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -7 to 1°C. Precipitation is moderate at around 203mm for the season, averaging 68mm per month. Expect around 182cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -4°
Mar
Apr
May 12°
Jun 15°
Jul 19°
Aug 19°
Sep 13°
Oct
Nov
Dec -4°

The best time to visit Republic is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 19mm per month. By contrast, February can be quite cold with temperatures dropping to -7°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 Republic 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
-6 °C
-1 °C
2 km/h
86 mm
79 cm
Feb
-7 °C
1 °C
2 km/h
56 mm
47 cm
Mar
-3 °C
6 °C
2 km/h
83 mm
50 cm
Apr
2 °C
13 °C
2 km/h
73 mm
16 cm
May
7 °C
19 °C
2 km/h
88 mm
2 cm
Jun
9 °C
22 °C
2 km/h
51 mm
0 cm
Jul Current
12 °C
27 °C
2 km/h
26 mm
0 cm
Aug
12 °C
27 °C
2 km/h
13 mm
0 cm
Sep
8 °C
20 °C
2 km/h
46 mm
5 cm
Oct
1 °C
10 °C
2 km/h
69 mm
10 cm
Nov
-2 °C
4 °C
2 km/h
66 mm
49 cm
Dec
-7 °C
-1 °C
2 km/h
61 mm
55 cm
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