When to Visit Chiangrai
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January is one of the coolest and driest months, making it peak tourist season. Mornings can be quite cool at 56°F while afternoons reach a comfortable 83°F. With only 0.6 inches of rainfall, it's perfect for all outdoor activities.
February
February continues the dry season with slightly warmer temperatures and minimal rainfall. The weather remains excellent for sightseeing with comfortable highs of 88°F and cool mornings at 58°F. This is still peak tourist season with ideal conditions.
March
March marks the beginning of the hot season with temperatures rising to 92°F and minimal rainfall at 1.4 inches. While still relatively dry, the heat becomes more intense during midday hours. Early mornings and evenings remain pleasant at 63°F.
April
April is the hottest month of the year with temperatures reaching 94°F, though rainfall begins to increase to 3.6 inches. The heat can be intense during midday, but evenings at 69°F offer some relief. This marks the transition toward monsoon season.
May
May signals the start of monsoon season with rainfall jumping to 8.9 inches and temperatures moderating to 92°F. The increased cloud cover and rain provide relief from April's intense heat, though humidity remains high with warm nights at 73°F.
June
June continues the wet season with 7.3 inches of rainfall and temperatures cooling slightly to 90°F highs. The consistent rains bring lush green landscapes, though outdoor activities may be limited. Nights remain warm at 75°F.
July
July sees heavy rainfall at 12.5 inches with temperatures dropping to more comfortable 88°F highs. The monsoon is in full swing, creating spectacular waterfalls and verdant countryside, though travel can be challenging during heavy downpours.
August
August typically brings the heaviest rainfall of the year at 14.7 inches with comfortable temperatures of 87°F. While the constant rains can disrupt outdoor plans, the cooler temperatures and dramatic storm displays offer their own appeal for weather enthusiasts.
September
September maintains heavy monsoon conditions with 10.8 inches of rainfall and pleasant 88°F highs. The rains begin to show signs of decreasing from August's peak, and the landscape remains beautifully green and lush throughout the region.
October
October marks the transition out of monsoon season with rainfall decreasing to 4.9 inches and comfortable temperatures at 87°F. The weather becomes more predictable with fewer rainy days, making it a good shoulder season for travel.
November
November ushers in the cool, dry season with rainfall dropping to just 1.8 inches and pleasant temperatures of 85°F. The humidity remains manageable and nights cool down to 64°F, marking the beginning of the peak tourist season.
December
December offers some of the year's most pleasant weather with minimal rainfall at 0.8 inches and comfortable 82°F highs. Cool mornings at 58°F make it perfect for early morning activities, while clear skies dominate throughout the month.