Climate Overview
The climate in Mountain Iron is cool. The average annual temperature is 5°C and approximately 826mm of precipitation falls per year. September is the wettest month, receiving around 119mm of rainfall. Mountain Iron 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 January, February, December, when temperatures can drop to -16°C. Snowfall occurs from January to December, with around 188cm accumulating over the season.
Temperature
Mountain Iron has a wide annual temperature range, spanning 42°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 20°C. January brings the harshest conditions, with lows dropping to -16°C and an average temperature of -12°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 9°C shift in average temperatures.
Precipitation
Mountain Iron is a moderately rainy area, receiving approximately 826mm of precipitation annually, which averages out to around 69mm per month. The wettest month is September, averaging 119mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 29mm. That's 90mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 188cm accumulating over the season. December typically sees the most snow at around 43cm.
Wind
Mountain Iron 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 October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
80 days until Autumn
It is currently summer in Mountain Iron, which began on June 21, 2026. Mountain Iron 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 January near -16°C. Autumn is next, beginning on September 23, 2026 — 80 days from now.
Spring
Temperatures range from -8 to 19°C. Precipitation is moderate at around 167mm for the season, averaging 56mm 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. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 19°C. Precipitation is moderate at around 244mm for the season, averaging 81mm per month. Expect around 41cm 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 -16 to -5°C. Rainfall is relatively light, with around 108mm over the season and a monthly average of 36mm. Expect around 98cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Mountain Iron is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 93mm per month. By contrast, July can be uncomfortably hot with highs reaching 26°C, while January is the coldest period with lows dropping to -16°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 Mountain Iron 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.
