Climate Overview
The climate in New Amsterdam is hot. The average annual temperature is 26°C and approximately 2697mm of precipitation falls per year. New Amsterdam receives a notable amount of rainfall throughout the year, including during its driest month. New Amsterdam sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
New Amsterdam has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
New Amsterdam is a very wet location, receiving approximately 2697mm of precipitation annually, which averages out to around 225mm per month. The wettest month is May, averaging 444mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 97mm. That's 347mm 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.
Wind
New Amsterdam is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
93 days until Autumn
It is currently summer in New Amsterdam, which began on June 21, 2026. New Amsterdam sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 32°C, while the coldest stretch bottoms out in January near 23°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 747mm across the season with a monthly average of 249mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 984mm across the season with a monthly average of 328mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 487mm across the season with a monthly average of 162mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 479mm across the season with a monthly average of 160mm. Winds are generally light, averaging 3km/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 New Amsterdam 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.
