Climate Insights for Waterloo

The climate in Waterloo is hot. The average annual temperature is 27°C and approximately 1,927 mm of precipitation falls per year. Waterloo receives a notable amount of rainfall throughout the year, including during its driest month. Waterloo sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Waterloo is hot. The average annual temperature is 81°F and approximately 75.9 in of precipitation falls per year. Waterloo receives a notable amount of rainfall throughout the year, including during its driest month. Waterloo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Waterloo sees moderate temperature variation throughout the year, ranging from 23°C to 34°C. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Waterloo sees moderate temperature variation throughout the year, ranging from 73°F to 92°F. The warmest month is October, when average highs reach 92°F and the mean temperature sits around 83°F. July is the coolest month, with minimum temperatures around 73°F and an average of 78°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.

Waterloo is a fairly wet location, receiving approximately 1,927 mm of precipitation annually, which averages out to around 161 mm per month. The wettest month is May, averaging 434 mm of rainfall. June and July also tend to see above-average precipitation. The driest month is February, with just 43 mm. That's 390 mm 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.Waterloo is a fairly wet location, receiving approximately 75.9 in of precipitation annually, which averages out to around 6.3 in per month. The wettest month is May, averaging 17.1 in of rainfall. June and July also tend to see above-average precipitation. The driest month is February, with just 1.7 in. That's 15.4 in 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.

Waterloo 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 February, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/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 10km/h in winter, 8km/h in spring, 5km/h in summer, 7km/h in autumn.Waterloo is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4mph 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 6mph in winter, 5mph in spring, 3mph in summer, 4mph in autumn.

The table below shows monthly climate averages for Waterloo 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.The table below shows monthly climate averages for Waterloo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.