Climate Overview
The climate in Onotoa Airport is hot. The average annual temperature is 28°C and approximately 1085mm of precipitation falls per year. Onotoa Airport receives a notable amount of rainfall throughout the year, including during its driest month. Onotoa Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Onotoa Airport has relatively stable temperatures year-round, staying within a 2°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. March is the coolest month, with minimum temperatures around 27°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.
Precipitation
Onotoa Airport is a moderately rainy area, receiving approximately 1085mm of precipitation annually, which averages out to around 90mm per month. The wettest month is January, averaging 140mm of rainfall. April and February also tend to see above-average precipitation. The driest month is September, with just 41mm. That's 99mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Onotoa Airport is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 18km/h in winter, 19km/h in spring, 20km/h in summer, 18km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Onotoa Airport, which began on September 23, 2026. Onotoa Airport sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in May at around 29°C, while the coldest stretch bottoms out in March near 27°C. Summer is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 27 to 28°C. Rainfall is relatively light, with around 143mm over the season and a monthly average of 48mm. Winds are moderate at around 19km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 368mm across the season with a monthly average of 123mm. Winds are moderate at around 20km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 27 to 28°C. Precipitation is moderate at around 234mm for the season, averaging 78mm per month. Winds are moderate at around 18km/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 Onotoa Airport 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.
