Guatemala · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Guatemala City are January, February and December, when daytime temperatures are agreeable and rainfall is relatively low.
Guatemala City sees its warmest weather in May, when daytime highs average around 32°C, and its coolest in January (around 28°C).
Annual precipitation totals roughly 3413mm — July is typically the wettest month (~410mm) and April the driest (~143mm).
A distinctly wetter period runs from January to December — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 61 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 28° / 19°C | 294mm | 🤔 Fair |
| February | 29° / 20°C | 185mm | 🤔 Fair |
| March | 30° / 21°C | 161mm | 🤔 Fair |
| April | 32° / 23°C | 143mm | 🤔 Fair |
| May | 32° / 24°C | 205mm | ⚠️ Challenging |
| June | 32° / 24°C | 264mm | ⚠️ Challenging |
| July | 32° / 23°C | 410mm | ⚠️ Challenging |
| August | 32° / 24°C | 389mm | ⚠️ Challenging |
| September | 32° / 24°C | 326mm | ⚠️ Challenging |
| October | 31° / 23°C | 374mm | ⚠️ Challenging |
| November | 29° / 21°C | 400mm | 🤔 Fair |
| December | 28° / 20°C | 264mm | 🤔 Fair |
January in Guatemala City is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 19°C (67°F). Expect roughly 294mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
February in Guatemala City is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 20°C (68°F). Expect roughly 185mm of precipitation spread over about 13 rainy days, and this is one of the wetter months.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
March in Guatemala City is hot, with average daytime highs around 30°C (86°F) and nighttime lows near 21°C (69°F). Expect roughly 161mm of precipitation spread over about 11 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
April in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 23°C (73°F). Expect roughly 143mm of precipitation spread over about 8 rainy days, and this is one of the wetter months.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
May in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (74°F). Expect roughly 205mm of precipitation spread over about 12 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
June in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (75°F). Expect roughly 264mm of precipitation spread over about 16 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
July in Guatemala City is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 23°C (74°F). Expect roughly 410mm of precipitation spread over about 22 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
August in Guatemala City is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (74°F). Expect roughly 389mm of precipitation spread over about 21 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
September in Guatemala City is hot, with average daytime highs around 32°C (90°F) and nighttime lows near 24°C (74°F). Expect roughly 326mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
October in Guatemala City is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 23°C (73°F). Expect roughly 374mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle · compact umbrella or rain jacket
November in Guatemala City is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 21°C (70°F). Expect roughly 400mm of precipitation spread over about 17 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket
December in Guatemala City is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 20°C (68°F). Expect roughly 264mm of precipitation spread over about 16 rainy days, and heavy rainfall is common — this is peak wet season territory.
🎒 What to pack — light summer clothing · sunscreen and sunglasses · compact umbrella or rain jacket