Grass Hills National Park

Grass Hills National Park at a Glance#

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

Month	Comfort	Temp	Feels	Rain	Sky	Humidity	Wind	UV	Daylight
January	Excellent	13° - 24°	19°	22 mm	some cloud	70%	1.6 m/s	1.9 very high	11.5h
February	Excellent	14° - 26°	20°	21 mm	some cloud	58%	1.6 m/s	2.2 extreme	11.7h
March	Excellent	16° - 27°	22°	34 mm	partly cloudy	58%	1.7 m/s	2.4 extreme	12.0h
April	Very Good	17° - 27°	22°	74 mm	partly cloudy	68%	1.6 m/s	2.3 extreme	12.3h
May	Good	18° - 27°	22°	143 mm	overcast	80%	2.1 m/s	2.1 extreme	12.5h
June	Good	17° - 24°	21°	310 mm	overcast	88%	2.4 m/s	1.7 very high	12.6h
July	Good	16° - 23°	20°	465 mm	overcast	89%	3.5 m/s	1.7 very high	12.6h
August	Good	17° - 24°	20°	301 mm	overcast	90%	2.7 m/s	1.9 very high	12.3h
September	Good	17° - 24°	20°	186 mm	overcast	89%	1.8 m/s	2.1 extreme	12.1h
October	Good	16° - 24°	20°	241 mm	overcast	88%	1.3 m/s	1.9 very high	11.8h
November	Good	15° - 24°	20°	173 mm	partly cloudy	86%	1.7 m/s	1.7 very high	11.5h
December	Very Good	14° - 23°	19°	98 mm	partly cloudy	81%	1.8 m/s	1.7 very high	11.4h

Grass Hills National Park National Park