Climate Insights for Grognet Flying Service Seaplane Base

Snohomish County, Michigan, United States

Hottest
July
26°C peak
Coldest
February
-10°C low
Wettest
October
121mm rain
Best to Visit
June, July
Mild temps & low rain

Climate Overview

The climate in Grognet Flying Service Seaplane Base is cool. The average annual temperature is 6°C and approximately 963mm of precipitation falls per year. Grognet Flying Service Seaplane Base receives a notable amount of rainfall throughout the year, including during its driest month. Grognet Flying Service Seaplane Base 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 February, January, December, when temperatures can drop to -10°C. Grognet Flying Service Seaplane Base 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: -4° Average: -7° Min: -10° Feb Max: -3° Average: -7° Min: -10° Mar Max: 2° Average: -3° Min: -6° Apr Max: 7° Average: 2° Min: -2° May Max: 16° Average: 10° Min: 6° Jun Max: 22° Average: 16° Min: 12° Jul Max: 26° Average: 21° Min: 16° Aug Max: 24° Average: 19° Min: 15° Sep Max: 20° Average: 15° Min: 12° Oct Max: 11° Average: 7° Min: 5° Nov Max: 4° Average: 1° Min: -2° Dec Max: -2° Average: -5° Min: -7°
Max
Average
Min

Grognet Flying Service Seaplane Base has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -7°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 8°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 60mm Snow: 56mm Feb Precipitation: 65mm Snow: 60mm Mar Precipitation: 51mm Snow: 33mm Apr Precipitation: 77mm Snow: 34mm May Precipitation: 75mm Snow: 6mm Jun Precipitation: 81mm Snow: 0mm Jul Precipitation: 74mm Snow: 0mm Aug Precipitation: 101mm Snow: 0mm Sep Precipitation: 106mm Snow: 0mm Oct Precipitation: 121mm Snow: 8mm Nov Precipitation: 73mm Snow: 39mm Dec Precipitation: 80mm Snow: 62mm
Precipitation
Snow

Grognet Flying Service Seaplane Base is a moderately rainy area, receiving approximately 963mm of precipitation annually, which averages out to around 80mm per month. The wettest month is October, averaging 121mm of rainfall. September and August also tend to see above-average precipitation. The driest month is March, with just 51mm. That's 70mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Grognet Flying Service Seaplane Base receives heavy snowfall, accumulating around 298cm annually from January through December. The snowiest month is December, with approximately 62cm. 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: 4km/h Feb Wind Speed: 4km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 4km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Grognet Flying Service Seaplane Base 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 November, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/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

7 days until Summer

It is currently spring in Grognet Flying Service Seaplane Base, which began on March 20, 2026. Grognet Flying Service Seaplane Base 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 26°C, while the coldest stretch bottoms out in February near -10°C. Summer is next, beginning on June 21, 2026 — 7 days from now.

Spring

Temperatures range from -6 to 16°C. Precipitation is moderate at around 203mm for the season, averaging 68mm per month. 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 12 to 26°C. Precipitation is moderate at around 256mm for the season, averaging 85mm per month. Winds are generally light, averaging 3km/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 299mm for the season, averaging 100mm per month. Expect around 47cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -10 to -2°C. Precipitation is moderate at around 205mm for the season, averaging 68mm per month. Expect around 179cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -7°
Feb -7°
Mar -3°
Apr
May 10°
Jun 16°
Jul 21°
Aug 19°
Sep 15°
Oct
Nov
Dec -5°

The best time to visit Grognet Flying Service Seaplane Base is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 77mm per month. By contrast, February can be quite cold with temperatures dropping to -10°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Grognet Flying Service Seaplane Base 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
-10 °C
-4 °C
4 km/h
60 mm
56 cm
Feb
-10 °C
-3 °C
4 km/h
65 mm
60 cm
Mar
-6 °C
2 °C
3 km/h
51 mm
33 cm
Apr
-2 °C
7 °C
3 km/h
77 mm
34 cm
May
6 °C
16 °C
3 km/h
75 mm
6 cm
Jun Current
12 °C
22 °C
3 km/h
81 mm
0 cm
Jul
16 °C
26 °C
3 km/h
74 mm
0 cm
Aug
15 °C
24 °C
3 km/h
101 mm
0 cm
Sep
12 °C
20 °C
4 km/h
106 mm
0 cm
Oct
5 °C
11 °C
4 km/h
121 mm
8 cm
Nov
-2 °C
4 °C
4 km/h
73 mm
39 cm
Dec
-7 °C
-2 °C
4 km/h
80 mm
62 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)

Confirm