Climate Insights for Lewiston Orchards

Wahkiakum County, Idaho, United States

Hottest
July
32°C peak
Coldest
January
-3°C low
Wettest
December
80mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Lewiston Orchards is temperate. The average annual temperature is 11°C and approximately 554mm of precipitation falls per year. December is the wettest month, receiving around 80mm of rainfall. Lewiston Orchards is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, December, February, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 99cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 4° Average: 0° Min: -3° Feb Max: 6° Average: 1° Min: -2° Mar Max: 12° Average: 6° Min: 1° Apr Max: 16° Average: 10° Min: 4° May Max: 21° Average: 15° Min: 9° Jun Max: 26° Average: 19° Min: 13° Jul Max: 32° Average: 24° Min: 16° Aug Max: 32° Average: 24° Min: 16° Sep Max: 26° Average: 18° Min: 12° Oct Max: 17° Average: 11° Min: 6° Nov Max: 9° Average: 4° Min: 1° Dec Max: 4° Average: 0° Min: -2°
Max
Average
Min

Temperatures in Lewiston Orchards vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 11°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: 60mm Snow: 20mm Feb Precipitation: 71mm Snow: 29mm Mar Precipitation: 65mm Snow: 7mm Apr Precipitation: 50mm Snow: 3mm May Precipitation: 42mm Snow: 0mm Jun Precipitation: 27mm Snow: 0mm Jul Precipitation: 5mm Snow: 0mm Aug Precipitation: 12mm Snow: 0mm Sep Precipitation: 23mm Snow: 0mm Oct Precipitation: 53mm Snow: 1mm Nov Precipitation: 67mm Snow: 6mm Dec Precipitation: 80mm Snow: 32mm
Precipitation
Snow

Lewiston Orchards is a relatively dry area, receiving approximately 554mm of precipitation annually, which averages out to around 46mm per month. The wettest month is December, averaging 80mm of rainfall. February and November also tend to see above-average precipitation. The driest month is July, with just 5mm. That's 76mm less than December, 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 99cm accumulating over the season. December typically sees the most snow at around 32cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 8km/h Jun Wind Speed: 8km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 7km/h Oct Wind Speed: 8km/h Nov Wind Speed: 8km/h Dec Wind Speed: 8km/h
Wind Speed

Lewiston Orchards is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

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

7 days until Autumn

It is currently summer in Lewiston Orchards, which began on June 21, 2026. Lewiston Orchards 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 32°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 1 to 21°C. Precipitation is moderate at around 156mm for the season, averaging 52mm per month. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.

Summer

Temperatures range from 13 to 32°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 26°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Expect around 7cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.

Winter

Temperatures range from -3 to 6°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Expect around 82cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan
Feb
Mar
Apr 10°
May 15°
Jun 19°
Jul 24°
Aug 24°
Sep 18°
Oct 11°
Nov
Dec

The best time to visit Lewiston Orchards is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 17mm per month. By contrast, January can be quite cold with temperatures dropping to -3°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 Lewiston Orchards 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
4 °C
8 km/h
60 mm
20 cm
Feb
-2 °C
6 °C
9 km/h
71 mm
29 cm
Mar
1 °C
12 °C
9 km/h
65 mm
7 cm
Apr
4 °C
16 °C
9 km/h
50 mm
3 cm
May
9 °C
21 °C
8 km/h
42 mm
0 cm
Jun
13 °C
26 °C
8 km/h
27 mm
0 cm
Jul
16 °C
32 °C
8 km/h
5 mm
0 cm
Aug
16 °C
32 °C
8 km/h
12 mm
0 cm
Sep Current
12 °C
26 °C
7 km/h
23 mm
0 cm
Oct
6 °C
17 °C
8 km/h
53 mm
1 cm
Nov
1 °C
9 °C
8 km/h
67 mm
6 cm
Dec
-2 °C
4 °C
8 km/h
80 mm
32 cm
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Metric (°C, km/h)