Frost Dates for Patna, India

Elevation: 60 m

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

25.60°N, 85.10°W © OpenStreetMap

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 11a

Avg. annual minimum: 4 to 7°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cwa Humid Subtropical (Dry Winter)

Hot, wet summers and mild, dry winters. Similar to Cfa but with a distinct dry winter season. Monsoon-influenced rains support summer crops; winter is ideal for cool-season planting.

Köppen climate map

Temperature

5° 15° 25° 35°
15°
High: 22°C
Avg: 15°C
Low: 9°C
Jan
19°
High: 26°C
Avg: 19°C
Low: 12°C
Feb
25°
High: 32°C
Avg: 25°C
Low: 17°C
Mar
30°
High: 37°C
Avg: 30°C
Low: 22°C
Apr
32°
High: 38°C
Avg: 32°C
Low: 25°C
May
32°
High: 37°C
Avg: 32°C
Low: 27°C
Jun
30°
High: 33°C
Avg: 30°C
Low: 26°C
Jul
30°
High: 33°C
Avg: 30°C
Low: 26°C
Aug
29°
High: 33°C
Avg: 29°C
Low: 25°C
Sep
27°
High: 32°C
Avg: 27°C
Low: 22°C
Oct
22°
High: 29°C
Avg: 22°C
Low: 15°C
Nov
18°
High: 24°C
Avg: 18°C
Low: 11°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 100 mm 200 mm 300 mm
18 mm
17.8 mm
Jan
25 mm
25.4 mm
Feb
5 mm
5.1 mm
Mar
20 mm
20.3 mm
Apr
33 mm
33.0 mm
May
226 mm
226.1 mm
Jun
361 mm
360.7 mm
Jul
320 mm
320.0 mm
Aug
318 mm
317.5 mm
Sep
36 mm
35.6 mm
Oct
33 mm
33.0 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13.5h13.5h13.5h13h12h11.5h10.5h10.5h
Jan: 6:43 AM – 5:17 PM · 10h 34m
Feb: 6:26 AM – 5:34 PM · 11h 08m
Mar: 6:05 AM – 5:55 PM · 11h 49m
Apr: 5:42 AM – 6:18 PM · 12h 36m
May: 5:22 AM – 6:38 PM · 13h 15m
Jun: 5:12 AM – 6:48 PM · 13h 35m
Jul: 5:16 AM – 6:44 PM · 13h 27m
Aug: 5:33 AM – 6:27 PM · 12h 54m
Sep: 5:56 AM – 6:04 PM · 12h 09m
Oct: 6:19 AM – 5:41 PM · 11h 23m
Nov: 6:38 AM – 5:22 PM · 10h 43m
Dec: 6:48 AM – 5:12 PM · 10h 25m
Daylight Longest: 13h 36m · Shortest: 10h 24m

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