Climate Overview
The climate in Johin is hot. The average annual temperature is 26°C and approximately 1494mm of precipitation falls per year. September is the wettest month, receiving around 240mm of rainfall. Johin sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Johin sees moderate temperature variation throughout the year, ranging from 22°C to 34°C. The warmest month is February, when average highs reach 34°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 22°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Johin is a fairly wet location, receiving approximately 1494mm of precipitation annually, which averages out to around 125mm per month. The wettest month is September, averaging 240mm of rainfall. June and October also tend to see above-average precipitation. The driest month is January, with just 28mm. That's 212mm less than September, 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.
Wind
Johin 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 August, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
3 days until Summer
It is currently spring in Johin, which began on March 20, 2026. Johin sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 34°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 23 to 33°C. Rainfall is heavy, totalling around 394mm across the season with a monthly average of 131mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 29°C. Rainfall is heavy, totalling around 449mm across the season with a monthly average of 150mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 527mm across the season with a monthly average of 176mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 34°C. Rainfall is relatively light, with around 124mm over the season and a monthly average of 41mm. Winds are generally light, averaging 2km/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 Johin 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.
