Climate Insights for Cascade

Snohomish County, Iowa, United States

Hottest
Luglio
28°C peak
Coldest
Gennaio
-9°C low
Wettest
Maggio
129mm rain
Best to Visit
Luglio, Agosto
Mild temps & low rain

Climate Overview

The climate in Cascade is cool. The average annual temperature is 10°C and approximately 1003mm of precipitation falls per year. Cascade receives a notable amount of rainfall throughout the year, including during its driest month. Cascade is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Giugno, Agosto. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to -9°C. Snowfall occurs from January to December, with around 75cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -6° Min: -9° Feb Max: 1° Average: -4° Min: -8° Mar Max: 9° Average: 3° Min: -1° Apr Max: 15° Average: 9° Min: 4° May Max: 22° Average: 16° Min: 11° Jun Max: 28° Average: 22° Min: 17° Jul Max: 28° Average: 23° Min: 19° Aug Max: 27° Average: 22° Min: 17° Sep Max: 25° Average: 19° Min: 14° Oct Max: 17° Average: 11° Min: 7° Nov Max: 9° Average: 4° Min: 0° Dec Max: 3° Average: -1° Min: -5°
Max
Average
Min

Cascade has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is Luglio, when average highs reach 28°C and the mean temperature sits around 23°C. The coldest month is Gennaio, when overnight lows fall to -9°C and the daily average is -6°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 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 49mm Snow: 22mm Feb Precipitation: 45mm Snow: 16mm Mar Precipitation: 74mm Snow: 12mm Apr Precipitation: 103mm Snow: 6mm May Precipitation: 129mm Snow: 0mm Jun Precipitation: 112mm Snow: 0mm Jul Precipitation: 89mm Snow: 0mm Aug Precipitation: 87mm Snow: 0mm Sep Precipitation: 101mm Snow: 0mm Oct Precipitation: 94mm Snow: 1mm Nov Precipitation: 64mm Snow: 5mm Dec Precipitation: 55mm Snow: 13mm
Precipitation
Snow

Cascade is a moderately rainy area, receiving approximately 1003mm of precipitation annually, which averages out to around 84mm per month. The wettest month is May, averaging 129mm of rainfall. June and April also tend to see above-average precipitation. The driest month is February, with just 45mm. That's 84mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 75cm accumulating over the season. January typically sees the most snow at around 22cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 23km/h Mar Wind Speed: 23km/h Apr Wind Speed: 24km/h May Wind Speed: 21km/h Jun Wind Speed: 19km/h Jul Wind Speed: 17km/h Aug Wind Speed: 17km/h Sep Wind Speed: 19km/h Oct Wind Speed: 22km/h Nov Wind Speed: 22km/h Dec Wind Speed: 22km/h
Wind Speed

Cascade is moderately windy, with an average annual wind speed of 21km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 23km/h in spring, 18km/h in summer, 21km/h in autumn.

Seasons

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

92 days until Summer

It is currently spring in Cascade, which began on March 20, 2026. Cascade 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 Luglio at around 28°C, while the coldest stretch bottoms out in Gennaio near -9°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

Spring

Temperatures range from -1 to 22°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. Winds are moderate at around 23km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 28°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are moderate at around 18km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 0 to 25°C. Precipitation is moderate at around 260mm for the season, averaging 87mm per month. Expect around 6cm of snow accumulation during this period. Winds are moderate at around 21km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -9 to 3°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Expect around 51cm of snow accumulation during this period. Winds are moderate at around 22km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -6°
Feb -4°
Mar
Apr
May 16°
Jun 22°
Jul 23°
Aug 22°
Sep 19°
Oct 11°
Nov
Dec -1°

The best time to visit Cascade is during Luglio and Agosto, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 88mm per month. By contrast, Gennaio can be quite cold with temperatures dropping to -9°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 Cascade 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
-9 °C
-2 °C
21 km/h
49 mm
22 cm
Feb
-8 °C
1 °C
23 km/h
45 mm
16 cm
Mar Current
-1 °C
9 °C
23 km/h
74 mm
12 cm
Apr
4 °C
15 °C
24 km/h
103 mm
6 cm
May
11 °C
22 °C
21 km/h
129 mm
0 cm
Jun
17 °C
28 °C
19 km/h
112 mm
0 cm
Jul
19 °C
28 °C
17 km/h
89 mm
0 cm
Aug
17 °C
27 °C
17 km/h
87 mm
0 cm
Sep
14 °C
25 °C
19 km/h
101 mm
0 cm
Oct
7 °C
17 °C
22 km/h
94 mm
1 cm
Nov
0 °C
9 °C
22 km/h
64 mm
5 cm
Dec
-5 °C
3 °C
22 km/h
55 mm
13 cm
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Metric (°C, km/h)