Climate Insights for Osmeña

The climate in Osmeña is hot. The average annual temperature is 28°C and approximately 2293mm of precipitation falls per year. Osmeña receives a notable amount of rainfall throughout the year, including during its driest month. Osmeña is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, August. The coldest months are February, January, March, when temperatures can drop to 26°C.

Osmeña has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 26°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Osmeña is a very wet location, receiving approximately 2293mm of precipitation annually, which averages out to around 191mm per month. The wettest month is July, averaging 313mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 48mm. That's 265mm 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.

Osmeña is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 36km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 18km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 34km/h in winter, 23km/h in spring, 21km/h in summer, 24km/h in autumn.

It is currently spring in Osmeña, which began on March 20, 2026. Osmeña 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 29°C, while the coldest stretch bottoms out in February near 26°C. Summer is next, beginning on June 21, 2026 — 85 days from now.

The table below shows monthly climate averages for Osmeña 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.