Climate Insights for Hīrna

The climate in Hīrna is warm and mild. The average annual temperature is 21°C and approximately 876mm of precipitation falls per year. May is the wettest month, receiving around 130mm of rainfall. Hīrna sits near the equator, so seasonal temperature differences are minimal throughout the year.

Hīrna sees moderate temperature variation throughout the year, ranging from 14°C to 29°C. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 23°C. December is the coolest month, with minimum temperatures around 14°C and an average of 19°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Hīrna is a moderately rainy area, receiving approximately 876mm of precipitation annually, which averages out to around 73mm per month. The wettest month is May, averaging 130mm of rainfall. August and April also tend to see above-average precipitation. The driest month is December, with just 7mm. That's 123mm less than May, 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.

Hīrna is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 6km/h in winter, 6km/h in spring, 9km/h in summer, 6km/h in autumn.

It is currently summer in Hīrna, which began on June 21, 2026. Hīrna sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in December near 14°C. Autumn is next, beginning on September 23, 2026 (10 days from now).

The best time to visit Hīrna is during January, February, March, June, September, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 38mm per month. 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 Hīrna 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.