When to go · San Blas

San Blas in May

Mixed month. Outside the best window (Nov–Apr (dry season, cooler nights)). Across Mexico: Very hot in the Yucatán; smog in Mexico City; the rains start late in the month.

Key facts

Verdict: Mixed
Temperature: 32°C (90°F)90°F (32°C) / 20°C (68°F)68°F (20°C); average high / low
Rain days: 1
Crowds: Medium; Mexico overall
Prices: Medium; Mexico overall

Plan around it

Verdict

MixedMexico month rating

Outside the best window (Nov–Apr (dry season, cooler nights)). Across Mexico: Very hot in the Yucatán; smog in Mexico City; the rains start late in the month.

Is another month better than May?

May is rated mixed. These months rate higher:

Weather in May

Long-term averages

San BlasHighs around 32 °C (90 °F), lows around 20 °C (68 °F), rain on about 1 dayHighs around 90 °F (32 °C), lows around 68 °F (20 °C), rain on about 1 day

Crowds and prices

Crowds · Mexico overall: Medium
Prices · Mexico overall: Medium

Mexico overall: Very hot in the Yucatán; smog in Mexico City; the rains start late in the month.

Compare two months

Weather, crowds and prices for any two months in San Blas, side by side.

First month

Second month

Verdict
May: Mixed
Jan: Great (better)
Daytime high
May: 32 °C (90 °F)90 °F (32 °C)
Jan: 29 °C (84 °F)84 °F (29 °C)
Night low
May: 20 °C (68 °F)68 °F (20 °C)
Jan: 15 °C (59 °F)59 °F (15 °C)
Rain days
May: 1
Jan: 1
Crowds
May: Medium
Jan: High
Prices
May: Medium
Jan: High
Festivals listed
May: 0
Jan: 0

May: Outside the best window (Nov–Apr (dry season, cooler nights)). Across Mexico: Very hot in the Yucatán; smog in Mexico City; the rains start late in the month.

January: Inside San Blas's best window: Nov–Apr (dry season, cooler nights).

San Blas: figures are long-term averages from this guide, not a forecast.

What to pack

Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Mexico in May →