Grass Hills National Park

National Park High-altitude Western Ghats park with rolling grasslands

Main image
Grass Hills National Park
10.3410, 76.9856

How to Get to Grass Hills National Park #

Grass Hills National Park is accessed from towns in Kerala and Tamil Nadu. Nearest larger towns provide road connections; visitors typically drive to trailheads and hire local guides for multi-day treks. Check state forest department notices and obtain permits where required.

Tips for Visiting Grass Hills National Park #

  • Hire local guides-Grass Hills is ecologically sensitive and some passes are tricky without experience.
  • Weather can change rapidly in the Western Ghats-carry waterproof gear and warm layers.
  • Watch for endemic species lists at ranger stations; many plants and insects here are unique to the shola-grassland mosaic.

Best Time to Visit Grass Hills National Park #

Post-monsoon through winter offers stable conditions and clearer skies; monsoon months are best avoided for heavy trekking.

Winter
December-February · 8-20°C (46-68°F)
Clear days and cool nights-good for trekking and cloud-free vistas.
Monsoon (Post-monsoon)
September-November · 15-24°C (59-75°F)
Lush vegetation and full streams; trails may still be muddy.
Summer
March-May · 18-28°C (64-82°F)
Warmer temperatures and drier trails at higher elevations.

Weather & Climate near Grass Hills National Park #

Climate

Grass Hills National Park's climate is classified as Tropical Monsoon - Tropical Monsoon climate with consistently warm temperatures year-round. Temperatures range from 13°C to 27°C. Heavy rainfall (2068 mm/year), wettest in July with a pronounced dry season.

Air Quality: AQI 77 Moderate
Best Time to Visit
JanuaryFebruaryMarch
Temperature & Rainfall
Temperature Range
40°
Warmest Month
12°
Coldest Month
Monthly Conditions

January

January is mild with highs of 24°C and lows of 13°C. Light rainfall.

89 Excellent

Comfort

19°
Feels Like Mild
19°C
Temperature
13° 24°
70%
Humidity
Humid

Weather

22 mm
Rainfall
1.6 m/s
Wind
Calm
1.9
UV Index
Very High
11.5h daylight

February

February is mild with highs of 26°C and lows of 14°C. The driest month with just 21 mm.

89 Excellent

Comfort

20°
Feels Like Mild
20°C
Temperature
14° 26°
58%
Humidity
Humid

Weather

21 mm
Rainfall
1.6 m/s
Wind
Calm
2.2
UV Index
Extreme
11.7h daylight

March

March is mild with highs of 27°C and lows of 16°C. Moderate rainfall (34 mm) and partly cloudy skies.

85 Excellent

Comfort

22°
Feels Like Mild
22°C
Temperature
16° 27°
58%
Humidity
Humid

Weather

34 mm
Rainfall
1.7 m/s
Wind
Calm
2.4
UV Index
Extreme
12.0h daylight

April

April is the warmest month with highs of 27°C and lows of 17°C. Moderate rainfall (74 mm) and partly cloudy skies.

79 Very Good

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°
68%
Humidity
Humid

Weather

74 mm
Rainfall
1.6 m/s
Wind
Calm
2.3
UV Index
Extreme
12.3h daylight

May

May is the warmest month with highs of 27°C and lows of 18°C. Significant rainfall (143 mm) and mostly overcast skies.

69 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 27°
80%
Humidity
Very Humid

Weather

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

June

June is mild with highs of 24°C and lows of 17°C. Heavy rain (310 mm) and mostly overcast skies.

63 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 24°
88%
Humidity
Very Humid

Weather

310 mm
Rainfall
2.4 m/s
Wind
Calm
1.7
UV Index
Very High
12.6h daylight

July

July is mild with highs of 23°C and lows of 16°C. The wettest month with heavy rain (465 mm) and mostly overcast skies.

62 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 23°
89%
Humidity
Very Humid

Weather

465 mm
Rainfall
3.5 m/s
Wind
Light Breeze
1.7
UV Index
Very High
12.6h daylight

August

August is mild with highs of 24°C and lows of 16°C. Heavy rain (301 mm) and mostly overcast skies.

61 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
17° 24°
90%
Humidity
Very Humid

Weather

301 mm
Rainfall
2.7 m/s
Wind
Calm
1.9
UV Index
Very High
12.3h daylight

September

September is mild with highs of 24°C and lows of 16°C. Significant rainfall (186 mm) and mostly overcast skies.

65 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
17° 24°
89%
Humidity
Very Humid

Weather

186 mm
Rainfall
1.8 m/s
Wind
Calm
2.1
UV Index
Extreme
12.1h daylight

October

October is mild with highs of 24°C and lows of 16°C. Heavy rain (241 mm) and mostly overcast skies.

63 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 24°
88%
Humidity
Very Humid

Weather

241 mm
Rainfall
1.3 m/s
Wind
Calm
1.9
UV Index
Very High
11.8h daylight

November

November is mild with highs of 24°C and lows of 15°C. Significant rainfall (173 mm) and partly cloudy skies.

69 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
15° 24°
86%
Humidity
Very Humid

Weather

173 mm
Rainfall
1.7 m/s
Wind
Calm
1.7
UV Index
Very High
11.5h daylight

December

December is mild with highs of 23°C and lows of 14°C. Regular rainfall (98 mm) and partly cloudy skies.

79 Very Good

Comfort

19°
Feels Like Mild
19°C
Temperature
14° 23°
81%
Humidity
Very Humid

Weather

98 mm
Rainfall
1.8 m/s
Wind
Calm
1.7
UV Index
Very High
11.4h daylight

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