Climate Insights for Guamal

The climate in Guamal is cold. The average annual temperature is 2°C and approximately 305mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Guamal sits near the equator, so seasonal temperature differences are minimal throughout the year. Snowfall occurs from January to October, with around 126cm accumulating over the season.

Guamal has relatively stable temperatures year-round, staying within a 8°C range. December is the warmest month, though highs remain moderate at 8°C with a mean of 6°C. The coldest month is April, when overnight lows fall to 0°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between August and September, with a 2°C shift in average temperatures.

Guamal is a quite dry location, receiving approximately 305mm of precipitation annually, which averages out to around 25mm per month. The wettest month is May, averaging 33mm of rainfall. June and July also tend to see above-average precipitation. The driest month is February, with just 7mm. That's 25mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to October, with around 126cm accumulating over the season. July typically sees the most snow at around 33cm.

Guamal is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently summer in Guamal, which began on June 21, 2026. Guamal sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 8°C, while the coldest stretch bottoms out in April near 0°C. Autumn is next, beginning on September 23, 2026 — 17 days from now.

The table below shows monthly climate averages for Guamal 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.