Bueng Boraphet

Lake Largest freshwater lake in central Thailand, birdlife haven

Thailand’s largest freshwater wetland, Bueng Boraphet in Nakhon Sawan offers boat trips, birdwatching for migratory and resident waterfowl, and local fishing communities-popular with nature observers and photographers.

Main image
Main image

Bueng Boraphet is the largest freshwater swamp and lake complex in central Thailand, located in Nakhon Sawan province. It is an important wetland for fisheries and waterbird populations.

The area offers boat tours, fishing, and birdwatching opportunities with observation points and hides at several locations around the marsh. Waterbirds and wetland species congregate seasonally, making it a key destination for local and visiting birdwatchers.

The wetland has long been used by local communities for fishing and as a seasonal habitat for migratory and resident waterbirds; parts of it have been managed for conservation and fisheries.

The lake lies in Nakhon Sawan province, south of the city of Nakhon Sawan, within the central plains of Thailand.

  • Scale and importance: Recognised as the largest freshwater swamp/lake in central Thailand and an important site for waterbirds and local fisheries.
  • Wildlife viewing: Boat trips and observation points are common ways to see waterbirds, particularly in the dry season when water levels and bird concentrations change.
Bueng Boraphet
Bueng Boraphet, Nakhon Sawan Province, Thailand
15.7061, 100.2321
Free (park access)

How to Get to Bueng Boraphet #

Bueng Boraphet is about 25 km east of Nakhon Sawan town. It is reachable by local bus or by car along Highway 225; parking and small boat operators are available at several access points.

Tips for Visiting Bueng Boraphet #

  • Arrive at dawn during November-February to see migrating waterfowl and the famous spot for spot‑billed pelicans and painted storks.
  • Bring binoculars and a local bird‑watching checklist - the local interpretive centres are small but knowledgeable.
  • Avoid the main road bridge at midday-birdwatchers and photographers shoulder the best viewpoints in the early morning.

Best Time to Visit Bueng Boraphet #

Best for birdwatching in the cool dry season (November-February).

Cool dry season (best for birds)
November-February · 18-28°C (64-82°F)
Peak migratory bird season; water levels are stable and visibility is good.
Hot season
March-May · 28-38°C (82-100°F)
Hot weather and lower water levels; fewer migrants but intense colour in sunsets.

Weather & Climate near Bueng Boraphet #

Climate

Bueng Boraphet's climate is classified as Tropical Savanna - Tropical Savanna climate with very hot summers (peaking in April) and warm winters (coldest in December). Temperatures range from 19°C to 37°C. Abundant rainfall (1053 mm/year), wettest in September with a pronounced dry season.

Best Time to Visit
JanuaryDecemberNovember
Temperature & Rainfall
Temperature Range
45°
Warmest Month
Coldest Month
Monthly Conditions

January

January is warm with highs of 32°C and lows of 19°C. Almost no rain and mostly sunny skies.

95 Ideal

Comfort

26°
Feels Like Warm
26°C
Temperature
19° 32°
57%
Humidity
Humid

Weather

4 mm
Rainfall
0.9 m/s
Wind
Calm
1.6
UV Index
Very High
11.2h daylight

February

February is hot, feeling like 28°C. Light rainfall and mostly sunny skies.

87 Excellent

Comfort

29°
Feels Like Hot
28°C
Temperature
22° 34°
50%
Humidity
Humid

Weather

10 mm
Rainfall
0.9 m/s
Wind
Calm
1.8
UV Index
Very High
11.5h daylight

March

March is hot, feeling like 31°C. Moderate rainfall (31 mm).

81 Excellent

Comfort

31°
Feels Like Hot
30°C
Temperature
24° 36°
50%
Humidity
Comfortable

Weather

31 mm
Rainfall
1.1 m/s
Wind
Calm
1.9
UV Index
Very High
11.9h daylight

April

April is the hottest month, feeling like 33°C. Moderate rainfall (62 mm).

77 Very Good

Comfort

33°
Feels Like Hot
31°C
Temperature
26° 37°
53%
Humidity
Humid

Weather

62 mm
Rainfall
1.0 m/s
Wind
Calm
2.2
UV Index
Extreme
12.4h daylight

May

May is hot, feeling like 34°C. Significant rainfall (149 mm) and mostly overcast skies.

59 Acceptable

Comfort

34°
Feels Like Hot
30°C
Temperature
25° 35°
68%
Humidity
Humid

Weather

149 mm
Rainfall
1.4 m/s
Wind
Calm
2.2
UV Index
Extreme
12.7h daylight

June

June is hot, feeling like 35°C due to high humidity. Significant rainfall (114 mm) and mostly overcast skies.

59 Acceptable

Comfort

35°
Feels Like Hot
29°C
Temperature
25° 34°
77%
Humidity
Very Humid

Weather

114 mm
Rainfall
1.4 m/s
Wind
Calm
2.2
UV Index
Extreme
12.9h daylight

July

July is hot, feeling like 34°C due to high humidity. Significant rainfall (124 mm) and mostly overcast skies.

59 Acceptable

Comfort

34°
Feels Like Hot
29°C
Temperature
25° 33°
80%
Humidity
Very Humid

Weather

124 mm
Rainfall
1.2 m/s
Wind
Calm
2.1
UV Index
Extreme
12.8h daylight

August

August is hot, feeling like 34°C with oppressive humidity. Significant rainfall (171 mm) and mostly overcast skies.

55 Acceptable

Comfort

34°
Feels Like Hot
28°C
Temperature
24° 32°
82%
Humidity
Very Humid

Weather

171 mm
Rainfall
1.1 m/s
Wind
Calm
2.1
UV Index
Extreme
12.5h daylight

September

September is hot, feeling like 33°C with oppressive humidity. The wettest month with heavy rain (213 mm) and mostly overcast skies.

55 Acceptable

Comfort

33°
Feels Like Hot
28°C
Temperature
24° 32°
85%
Humidity
Very Humid

Weather

213 mm
Rainfall
0.8 m/s
Wind
Calm
2.0
UV Index
Very High
12.1h daylight

October

October is hot, feeling like 32°C with oppressive humidity. Significant rainfall (143 mm) and partly cloudy skies.

65 Good

Comfort

32°
Feels Like Hot
28°C
Temperature
24° 32°
84%
Humidity
Very Humid

Weather

143 mm
Rainfall
1.2 m/s
Wind
Calm
1.8
UV Index
Very High
11.7h daylight

November

November is warm with highs of 31°C and lows of 22°C. Light rainfall.

91 Ideal

Comfort

27°
Feels Like Warm
27°C
Temperature
22° 31°
77%
Humidity
Very Humid

Weather

29 mm
Rainfall
1.0 m/s
Wind
Calm
1.7
UV Index
Very High
11.3h daylight

December

December is warm with highs of 30°C and lows of 19°C. The driest month with just 3 mm and mostly sunny skies.

95 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
19° 31°
65%
Humidity
Humid

Weather

3 mm
Rainfall
1.0 m/s
Wind
Calm
1.6
UV Index
Very High
11.1h daylight

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