Uruguay features a temperate climate with four seasons. Since Uruguay lies in the southern hemisphere, the summer months are from December to mid-March and the winter is from June to August. Summers are usually hot, autumns mild, winters are cold and wet and springs are cool, windy and wet.
Rainfall is relatively evenly distributed throughout the seasons with an annual average of 100cm / 39".
The best time to tour Uruguay is during the summer months, between December and mid-March when the weather is most pleasant and average daytime temperatures are around 27°C / 81°F.
Weather Averages in Uruguay
Montevideo |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average Temperature |
72°F 22°C | 71°F 22°C | 68°F 20°C | 62°F 17°C | 56°F 13°C | 51°F 11°C | 50°F 10°C | 51°F 11°C | 54°F 12°C | 58°F 14°C | 64°F 18°C | 69°F 21°C |
| Average High Temperature |
83°F 28°C | 82°F 28°C | 78°F 26°C | 71°F 22°C | 64°F 18°C | 59°F 15°C | 58°F 14°C | 59°F 15°C | 63°F 17°C | 68°F 20°C | 74°F 23°C | 79°F 26°C |
| Average Low Temperature |
62°F 17°C | 61°F 16°C | 59°F 15°C | 53°F 12°C | 48°F 9°C | 43°F 6°C | 43°F 6°C | 43°F 6°C | 46°F 8°C | 49°F 9°C | 54°F 12°C | 59°F 15°C |
| Highest Recorded Temperature |
109°F 43°C | 105°F 41°C | 101°F 38°C | 98°F 37°C | 87°F 31°C | 81°F 27°C | 83°F 28°C | 79°F 26°C | 86°F 30°C | 94°F 34°C | 98°F 37°C | 102°F 39°C |
| Lowest Recorded Temperature |
46°F 8°C | 46°F 8°C | 40°F 4°C | 36°F 2°C | 29°F -2°C | 28°F -2°C | 26°F -3°C | 25°F -4°C | 29°F -2°C | 29°F -2°C | 38°F 3°C | 41°F 5°C |
| Average Precipitation |
3" 8cm | 3" 8cm | 4" 10cm | 4" 10cm | 3" 8cm | 3" 8cm | 3" 8cm | 3" 8cm | 3" 8cm | 3" 8cm | 3" 8cm | 3" 8cm |