Climate Overview
The climate in Salem is hot. The average annual temperature is 26°C and approximately 766mm of precipitation falls per year. September is the wettest month, receiving around 131mm of rainfall. Salem is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 24°C.
Temperature
Salem has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Salem is a relatively dry area, receiving approximately 766mm of precipitation annually, which averages out to around 64mm per month. The wettest month is September, averaging 131mm of rainfall. October and November also tend to see above-average precipitation. The driest month is March, with just 29mm. That's 102mm 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.
Wind
Salem is very windy, with an average annual wind speed of 30km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in October, with average winds dropping to 27km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Salem, which began on March 20, 2026. Salem 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 September at around 28°C, while the coldest stretch bottoms out in February near 24°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. Winds are strong, averaging 30km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 28°C. Precipitation is moderate at around 209mm for the season, averaging 70mm per month. Winds are strong, averaging 33km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 333mm across the season with a monthly average of 111mm. Winds are strong, averaging 28km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are strong, averaging 31km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Salem 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. 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.
