Planning hydroponic farm construction in Patna? Patna is a city of about 16.8 lakh people (Census 2011) in Patna district, Bihar[1], about 470 km from Kolkata. We have used the monthly climate for Patna to plan a structure, a growing system and a crop calendar, so you can compare them with your own plot and buyers.
Climate for hydroponic farm construction in Patna
May is the hottest month in Patna, with average daily highs of about 42°C. January has the coolest nights, averaging 8°C.[2] The area gets about 996 mm of rain a year, most of it in June to September, peaking in July at about 276 mm. Average humidity stays at 75% or more in July to September, which raises the risk of leaf disease and slows evaporative cooling. Patna sits about 58 m above sea level.[1] On the Köppen–Geiger climate map, Patna falls in the humid subtropical with dry winters zone (Cwa).[3]
Patna climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
23.1
8.0
51
11
Feb
28.3
11.7
44
14
Mar
34.9
17.5
31
9
Apr
40.5
23.9
26
14
May
42.0
27.9
34
50
Jun
39.6
29.5
50
152
Jul
33.9
26.9
77
276
Aug
32.4
26.0
83
233
Sep
31.3
24.7
84
181
Oct
30.6
20.4
74
51
Nov
27.3
14.4
64
2
Dec
23.6
9.5
58
3
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Patna. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[2]
Which greenhouse suits Patna?
For hydroponic farm construction in Patna, the structure decides which months you can crop and what it costs to run. The heat in Patna comes with dry air. In April to June, average highs reach 42°C while average humidity is only about 37%. In that dry air, wet pads can bring a 42°C May afternoon down to roughly 31°C inside a Fan & Pad polyhouse, which keeps herbs and vine crops going; lettuce will still struggle in the hottest weeks. For vine crops such as capsicum and cucumber, a naturally ventilated polyhouse with a shade screen works from February and October to November and costs less to run.
Plan for heavy rain in July (about 276 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank. Sunlight peaks in April at about 6.4 kWh per m² a day, so add a shade screen for leafy greens in the brightest months. A nethouse, the lowest-cost option, can grow hardy crops in February and October to November, when it is mild and fairly dry.
Hydroponic crops for Patna
Based on Patna's climate, the crops with the longest growing windows are basil (10 months), mint (10 months) and coriander (9 months). Basil fits February to November with Fan & Pad cooling. These are the crops we would plan first for hydroponic farm construction in Patna.
Months each crop suits in Patna
ಬೆಳೆ
ನೈಸರ್ಗಿಕ ವಾತಾಯನದ ಪಾಲಿಹೌಸ್
With Fan & Pad cooling
ಲೆಟ್ಯೂಸ್
Nov–Jan
Oct–Apr
ಪಾಲಕ್
Nov–Jan
Oct–Apr
ಕೊತ್ತಂಬರಿ
Nov–Feb
Aug–Apr
ಪಾರ್ಸ್ಲಿ
Nov–Jan
Oct–Apr
ತುಳಸಿ
Feb and Jul–Nov
Feb–Nov
ಪುದೀನ
Sep–Feb
Jul–Apr
ಸೌತೆಕಾಯಿ
Jul–Nov
Mar–Nov
ಟೊಮೆಟೊ
Feb and Oct–Dec
Feb–Apr and Sep–Dec
ಕ್ಯಾಪ್ಸಿಕಂ
Feb and Oct–Nov
Feb–Apr and Aug–Nov
ಸ್ಟ್ರಾಬೆರಿ
Dec–Jan
Nov–Feb
Kryzen planning estimate from the monthly averages above and each crop's usual day and night temperature range. Variety, nutrient temperature and shading change the result, so confirm with a trial.
₹5,165Spending per person per month, urban Bihar, 2023–24[4]
470 kmto Kolkata, the nearest metro (straight line)
Urban households in Bihar spent an average of ₹5,165 per person per month in 2023–24, below the all-India urban average of ₹7,078.[4] A city of this size has hotels, restaurants, modern retail and quick-commerce stores within its own limits, so most harvests can be sold locally. Line up two or three buyers before planting and agree on grade and delivery days.
Hydroponic farm construction in Patna with Kryzen
We have built 2 projects in Bihar so far (see our project map (ಹೊಸ ಟ್ಯಾಬ್ನಲ್ಲಿ ತೆರೆಯುತ್ತದೆ)). Patna is about 1,190 km in a straight line from our Chhatrapati Sambhajinagar warehouse, our nearest site.
Towns near Patna
We also plan and build farms in these towns near Patna:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Hydroponic farm construction in Patna: FAQs
Can a hydroponic farm run all year in Patna?
Yes, with the right structure. For Patna we would plan a Fan & Pad polyhouse for leafy greens. Even then, lettuce is hard to grow in May to September, so plan another crop for those months.
Which polyhouse is best for Patna?
With May highs of about 42°C and 34% average humidity in that month, we would start with a Fan & Pad polyhouse for leafy greens.
Which hydroponic crops should I start with in Patna?
Going by the monthly climate, basil, mint and coriander have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Does Kryzen build hydroponic farms in Patna?
Yes. Our nearest site is our Chhatrapati Sambhajinagar warehouse, about 1,190 km away, and we have built 2 projects in Bihar.
Is there a subsidy for polyhouse or hydroponic farms in Bihar?
Yes. Protected cultivation projects in Bihar can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department. Check the current rate and area limit when you apply.
Discuss your Patna farm project
Share your plot location, water test and crop targets. We will suggest the right structure and growing system, and send an itemised quotation.
A computer engineer turned hydroponic farmer from a multigenerational farming family in Satara. Sudhir founded Kryzen in 2019, and the team has since built 350+ protected and hydroponic farms across India.
