Welcome to Northern Thailand

Welcome to the lush, misty highlands of Northern Thailand — a region where ancient culture, mountain adventures, and golden temples meet cool breezes and coffee-scented mornings.

If Central Thailand feels like the heart of the kingdom, the North is its soul. From the sacred temples of Chiang Mai to the misty peaks of Doi Inthanon and the laid-back vibes of Pai, every corner tells a story of serenity and spiritual charm.

Northern Thailand’s weather is cooler and drier than most of the country, making it a favorite for trekkers, photographers, and anyone seeking a peaceful escape.

Let’s explore how the weather, festivals, and experiences change throughout the year — and where to find the best adventures in every season.

Quick Climate Summary

SeasonMonthsAvg TemperatureRainfallBest For
Cool SeasonNov – Feb18–28 °CVery lowTrekking, sightseeing, festivals
Hot SeasonMar – May28–38 °CModerateCultural trips, waterfalls, nature parks
Rainy SeasonJun – Oct25–33 °CHighGreen scenery, fewer tourists

Northern Thailand Weather by Month

Each month in Northern Thailand offers something different — from winter festivals under crisp skies to lush monsoon jungles in full bloom.

Let’s break it down month by month 👇

 

🌤️ January — Cool & Festive

One of the best months to visit Northern Thailand. Days are crisp, nights can drop below 15 °C in the mountains, and visibility is perfect for photography.

Average temperature: 22 °C
Rainfall: 5–10 mm
Avg rainy days: 0–2 days

Top experiences:

  • Visit the Bo Sang Umbrella Festival near Chiang Mai.

  • Explore the Old City temples by bicycle.

  • Watch sunrise from Doi Inthanon, Thailand’s highest peak.

💡 Travel tip: Pack a light jacket — mornings can be surprisingly cold in the highlands!

 

🌸 February — Flower Season

Chiang Mai bursts into color with blooming flowers and mild sunshine. It’s the season of garden shows and romantic getaways.

Average temperature: 24 °C
Rainfall: 10–20 mm
Avg rainy days: 1–2 days

Top experiences:

  • Join the Chiang Mai Flower Festival parade.

  • Visit Queen Sirikit Botanic Garden in Mae Rim.

  • Enjoy a sunset walk along the Ping River.

💡 Travel tip: February is still high season — book trains and hotels early.

 

☀️ March — Warm Days Begin

Temperatures climb, but it’s still a pleasant month before the heat peaks. Chiang Rai and Pai remain comfortable thanks to higher altitudes.

Average temperature: 28 °C
Rainfall: 20–40 mm
Avg rainy days: 3–5 days

Top experiences:

  • Visit Wat Rong Khun (White Temple) in Chiang Rai.

  • Trek to Karen and Lahu villages near Mae Hong Son.

  • Explore Lampang’s old town by horse carriage.

💡 Travel tip: Avoid open burning areas — March can bring smoky air in some rural valleys.

 

🔥 April — The Songkran Splash

The hottest month of the year! But don’t worry — April is all about Songkran, Thailand’s New Year water festival, which cools everyone off.

Average temperature: 32–38 °C
Rainfall: 30–60 mm
Avg rainy days: 4–6 days

Top experiences:

  • Join the Songkran water fights in Chiang Mai.

  • Visit sticky waterfalls (Bua Tong) to cool down.

  • Relax in the shaded Pai canyons at sunrise.

💡 Travel tip: Wear light, quick-dry clothes — and protect your electronics from water battles!

 

🌦️ May — Start of Green Season

Rains return slowly, refreshing the forests and cooling the air. Waterfalls come alive, and tourist crowds thin out.

Average temperature: 30 °C
Rainfall: 100 mm
Avg rainy days: 10–12 days

Top experiences:

  • Visit Huay Kaew Waterfall after the first rains.

  • Take a scenic train from Bangkok to Chiang Mai.

  • Visit Doi Suthep when the hills turn emerald green.

💡 Travel tip: Bring insect repellent and waterproof shoes for forest hikes.

 

🌧️ June — Misty Mountains

The rainy season starts fully, bringing green rice paddies and magical morning fog.

Average temperature: 28 °C
Rainfall: 150 mm
Avg rainy days: 15–18 days

Top experiences:

  • Visit Pai’s hot springs in the mist.

  • Hike to Doi Ang Khang for orchid blooms.

  • Photograph rice terraces near Mae Chaem.

💡 Travel tip: Rains often come in short afternoon bursts — plan outdoor trips early in the day.

 

🌿 July — Lush & Serene

Everything is green, fresh, and quiet. July is a photographer’s dream.

Average temperature: 27 °C
Rainfall: 160–180 mm
Avg rainy days: 17–20 days

Top experiences:

  • Visit Sukhothai Historical Park in light rain.

  • Experience Yee Peng Lantern workshops in Chiang Mai.

  • Take a cooking class with farm-fresh herbs.

💡 Travel tip: Expect discounts at hotels — July is great value for slow travelers.

 

⛈️ August — Rain & Romance

Monsoon peaks but don’t be discouraged — Northern Thailand’s landscapes are at their greenest.

Average temperature: 26 °C
Rainfall: 200 mm
Avg rainy days: 20+ days

Top experiences:

  • Stay in a mountain eco-lodge surrounded by mist.

  • Visit Ban Rak Thai village near Mae Hong Son.

  • Go café-hopping in Nimman, Chiang Mai.

💡 Travel tip: Always carry a light rain jacket — and waterproof your daypack.

 

🌈 September — Calm Before Cool

Still rainy, but storms begin to fade. Waterfalls are at their strongest.

Average temperature: 26 °C
Rainfall: 150 mm
Avg rainy days: 15–18 days

Top experiences:

  • Visit Doi Tung Royal Villa gardens.

  • Take a scenic motorbike loop from Chiang Mai to Pai.

  • Explore tea plantations near Chiang Rai.

💡 Travel tip: Check road conditions before driving — landslides can occur in remote mountain areas.

 

🍁 October — End of Monsoon

Cooler winds arrive, and rice fields turn golden. October is one of the most photogenic months.

Average temperature: 27 °C
Rainfall: 80 mm
Avg rainy days: 8–10 days

Top experiences:

  • Attend the Awk Phansa Festival marking the end of Buddhist Lent.

  • Visit Chiang Mai’s night bazaars in perfect evening weather.

  • Watch the Mae Hong Son Longboat races.

💡 Travel tip: Perfect time for road trips — mild, bright, and scenic.

 

🎆 November — Festival Fever

The cool season officially begins, and so does festival magic. Northern Thailand shines in November.

Average temperature: 25 °C
Rainfall: 30 mm
Avg rainy days: 3–5 days

Top experiences:

  • Experience Loy Krathong & Yi Peng lantern festivals.

  • Visit Doi Inthanon National Park for cloud forests.

  • Explore Sukhothai’s candlelight festival.

💡 Travel tip: Book accommodations at least a month early — this is the North’s peak travel month.

 

❄️ December — Magical Winter Air

Crisp mornings, blue skies, and cozy evenings — December is travel perfection.

Average temperature: 20–24 °C
Rainfall: 10–20 mm
Avg rainy days: 1–2 days

Top experiences:

  • Camp in Chiang Dao mountains under the stars.

  • Explore tea trails in Mae Salong.

  • Visit local hill tribes during New Year festivities.

💡 Travel tip: Bring warm layers — temperatures in highland areas can drop below 10 °C.

Where to Go in Northern Thailand

  • Chiang Mai — The cultural capital of the North, known for temples, cafés, and gentle vibes.

  • Chiang Rai — Home of the White Temple, Blue Temple, and artistic flair.

  • Pai — A backpacker paradise of mountains, waterfalls, and music nights.

  • Mae Hong Son — Remote beauty, misty valleys, and Shan culture.

  • Sukhothai — Thailand’s ancient capital, filled with historical ruins and cycling paths.

  • Lampang — A charming old city with horse carriages and Lanna architecture.

Hidden Gems

  • Phrae’s teakwood mansions — untouched by mass tourism.

  • Nan Province — golden rice terraces and hill tribe art.

  • Doi Khun Tan National Park — Thailand’s longest railway tunnel and forest hikes.

  • Ban Na Ton Chan village — authentic homestays and local weaving.

What to Pack

  • Light layers for cool mornings and warm afternoons.

  • Rain jacket or poncho (Jun–Oct).

  • Comfortable walking shoes for temple visits.

  • Insect repellent and sunscreen.

  • Reusable water bottle — hydration is key at altitude.

Northern Thailand Travel Guide FAQ

Final Thoughts

Northern Thailand is more than just a destination — it’s an experience of peace, nature, and culture all rolled into one. Whether you’re sipping coffee in Chiang Rai, meditating in a jungle temple, or watching lanterns float over Chiang Mai’s sky, the North will leave you with timeless memories.

If you enjoyed this guide, feel free to share it or explore our related articles on Central Thailand and Thailand weather by month.