Climate Insights for Seram

The climate in Seram is hot. The average annual temperature is 27°C and approximately 1033mm of precipitation falls per year. July is the wettest month, receiving around 247mm of rainfall. Seram is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, March. The coldest months are December, January, November, when temperatures can drop to 17°C.

Temperatures in Seram vary considerably across the year, with a 22°C difference between the coldest and warmest months. May is the hottest month, with daytime highs reaching 39°C and an average of 33°C. December is the coolest month, with minimum temperatures around 17°C and an average of 23°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Seram is a moderately rainy area, receiving approximately 1033mm of precipitation annually, which averages out to around 86mm per month. The wettest month is July, averaging 247mm of rainfall. September and August also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 246mm less than July, 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.

Seram 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 August, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Seram, which began on June 21, 2026. Seram 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 May at around 39°C, while the coldest stretch bottoms out in December near 17°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.

The best time to visit Seram is during January, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 4mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 39°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Seram 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.