Climate Insights for Salem

The climate in Salem is hot. The average annual temperature is 27°C and approximately 1084mm of precipitation falls per year. November is the wettest month, receiving around 169mm of rainfall. Salem is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, February, December, when temperatures can drop to 20°C.

Salem sees moderate temperature variation throughout the year, ranging from 20°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 31°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Salem is a moderately rainy area, receiving approximately 1084mm of precipitation annually, which averages out to around 90mm per month. The wettest month is November, averaging 169mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 163mm less than November, 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.

Salem is relatively calm, with an average annual wind speed of 11km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 8km/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 pick up during the summer months. The seasonal averages are 11km/h in winter, 10km/h in spring, 14km/h in summer, 10km/h in autumn.

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 April at around 36°C, while the coldest stretch bottoms out in January near 20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Salem is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 48mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 36°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.