Climate Overview
The climate in Helena Number One is hot. The average annual temperature is 27°C and approximately 2423mm of precipitation falls per year. Helena Number One receives a notable amount of rainfall throughout the year, including during its driest month. Helena Number One sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Helena Number One has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is September, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Helena Number One is a very wet location, receiving approximately 2423mm of precipitation annually, which averages out to around 202mm per month. The wettest month is June, averaging 408mm of rainfall. May and July also tend to see above-average precipitation. The driest month is February, with just 105mm. That's 303mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Helena Number One is relatively calm, with an average annual wind speed of 4km/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 5km/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. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Helena Number One, which began on June 21, 2026. Helena Number One 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 30°C, while the coldest stretch bottoms out in January near 24°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 579mm across the season with a monthly average of 193mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 872mm across the season with a monthly average of 291mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 460mm across the season with a monthly average of 153mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 512mm across the season with a monthly average of 171mm. Winds are generally light, averaging 4km/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 Helena Number One 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.
