Climate Insights for Highland

Kalawao County, Washington, United States

Hottest
July
35°C peak
Coldest
December
-2°C low
Wettest
January
46mm rain
Best to Visit
May, June, September
Mild temps & low rain

Climate Overview

The climate in Highland is temperate. The average annual temperature is 13°C and approximately 260mm of precipitation falls per year. January is the wettest month, receiving around 46mm of rainfall. Highland 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, January, February, when temperatures can drop to -2°C. Light snow can occur between January and December.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 6° Average: 2° Min: -1° Feb Max: 9° Average: 3° Min: -1° Mar Max: 14° Average: 8° Min: 3° Apr Max: 22° Average: 14° Min: 8° May Max: 28° Average: 20° Min: 13° Jun Max: 31° Average: 23° Min: 15° Jul Max: 35° Average: 27° Min: 18° Aug Max: 35° Average: 27° Min: 17° Sep Max: 28° Average: 20° Min: 12° Oct Max: 19° Average: 12° Min: 6° Nov Max: 12° Average: 6° Min: 2° Dec Max: 5° Average: 1° Min: -2°
Max
Average
Min

Highland has a wide annual temperature range, spanning 37°C from the coldest to warmest months. July is the hottest month, with daytime highs reaching 35°C and an average of 27°C. The coldest month is December, when overnight lows fall to -2°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 13°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 46mm Snow: 9mm Feb Precipitation: 36mm Snow: 15mm Mar Precipitation: 31mm Snow: 3mm Apr Precipitation: 22mm Snow: 0mm May Precipitation: 17mm Snow: 0mm Jun Precipitation: 8mm Snow: 0mm Jul Precipitation: 1mm Snow: 0mm Aug Precipitation: 3mm Snow: 0mm Sep Precipitation: 7mm Snow: 0mm Oct Precipitation: 35mm Snow: 0mm Nov Precipitation: 25mm Snow: 0mm Dec Precipitation: 30mm Snow: 11mm
Precipitation
Snow

Highland is a quite dry location, receiving approximately 260mm of precipitation annually, which averages out to around 22mm per month. The wettest month is January, averaging 46mm of rainfall. February and October also tend to see above-average precipitation. The driest month is July, with just 1mm. That's 45mm 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. Light snowfall can occur between January and December, totalling around 37cm annually. February is the snowiest month with approximately 15cm.

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: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 3km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Highland is relatively calm, with an average annual wind speed of 3km/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 3km/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. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

3 days until Summer

It is currently spring in Highland, which began on March 20, 2026. Highland 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 35°C, while the coldest stretch bottoms out in December near -2°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

Spring

Temperatures range from 3 to 28°C. Rainfall is relatively light, with around 70mm over the season and a monthly average of 23mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 15 to 35°C. Precipitation is minimal, with only around 11mm for the entire season. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 2 to 28°C. Rainfall is relatively light, with around 67mm over the season and a monthly average of 22mm. 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 -2 to 9°C. Rainfall is relatively light, with around 111mm over the season and a monthly average of 37mm. Expect around 34cm 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
Feb
Mar
Apr 14°
May 20°
Jun 23°
Jul 27°
Aug 27°
Sep 20°
Oct 12°
Nov
Dec

The best time to visit Highland is during May, June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 10mm per month. By contrast, July can be uncomfortably hot with highs reaching 35°C, while December 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 Highland 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
-1 °C
6 °C
2 km/h
46 mm
9 cm
Feb
-1 °C
9 °C
3 km/h
36 mm
15 cm
Mar
3 °C
14 °C
3 km/h
31 mm
3 cm
Apr
8 °C
22 °C
3 km/h
22 mm
0 cm
May
13 °C
28 °C
3 km/h
17 mm
0 cm
Jun Current
15 °C
31 °C
3 km/h
8 mm
0 cm
Jul
18 °C
35 °C
2 km/h
1 mm
0 cm
Aug
17 °C
35 °C
2 km/h
3 mm
0 cm
Sep
12 °C
28 °C
2 km/h
7 mm
0 cm
Oct
6 °C
19 °C
3 km/h
35 mm
0 cm
Nov
2 °C
12 °C
2 km/h
25 mm
0 cm
Dec
-2 °C
5 °C
2 km/h
30 mm
11 cm
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