Climate Overview
The climate in Hīrna is warm and mild. The average annual temperature is 21°C and approximately 838mm of precipitation falls per year. May is the wettest month, receiving around 133mm of rainfall. Hīrna sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
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.
Precipitation
Hīrna is a moderately rainy area, receiving approximately 838mm of precipitation annually, which averages out to around 70mm per month. The wettest month is May, averaging 133mm of rainfall. April and July also tend to see above-average precipitation. The driest month is December, with just 6mm. That's 127mm 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.
Wind
Hīrna is relatively calm, with an average annual wind speed of 12km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Hīrna, which began on March 20, 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. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 315mm across the season with a monthly average of 105mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 28°C. Precipitation is moderate at around 301mm for the season, averaging 100mm per month. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 15 to 27°C. Precipitation is moderate at around 197mm for the season, averaging 66mm per month. Winds are generally light, averaging 11km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 14 to 28°C. Precipitation is minimal, with only around 25mm for the entire season. Winds are generally light, averaging 13km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Hīrna is during January, February, March, June, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 45mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
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.