Climate Insights for Grangwav

The climate in Grangwav is hot. The average annual temperature is 25°C and approximately 921mm of precipitation falls per year. October is the wettest month, receiving around 130mm of rainfall. Grangwav is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, March, when temperatures can drop to 22°C.

Grangwav has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Grangwav is a moderately rainy area, receiving approximately 921mm of precipitation annually, which averages out to around 77mm per month. The wettest month is October, averaging 130mm of rainfall. August and April also tend to see above-average precipitation. The driest month is January, with just 15mm. That's 116mm less than October, 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.

Grangwav is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 14km/h in spring, 15km/h in summer, 12km/h in autumn.

It is currently spring in Grangwav, which began on March 20, 2026. Grangwav 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 August at around 28°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Grangwav is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 33mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Grangwav 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.