Planning hydroponic farm construction in Forbesganj? Forbesganj is a town in Araria district, Bihar, home to about 50,000 people (GeoNames)[1][2], about 430 km from Kolkata. Below we use the town's monthly temperatures, humidity and rainfall to work out which structure fits, which crops to grow and in which months, before you spend on construction.
Climate for hydroponic farm construction in Forbesganj
May is the hottest month in Forbesganj, with average daily highs of about 37°C. January has the coolest nights, averaging 11°C.[3] The area gets about 1,393 mm of rain a year, most of it in May to September, peaking in July at about 379 mm. Average humidity stays at 75% or more in July to October, which raises the risk of leaf disease and slows evaporative cooling. Forbesganj sits about 46 m above sea level.[2] On the Köppen–Geiger climate map, Forbesganj falls in the humid subtropical with dry winters zone (Cwa).[4]
Forbesganj climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
23.6
10.5
49
6
Feb
27.9
13.6
41
10
Mar
33.6
18.4
32
23
Apr
37.1
22.9
37
53
May
37.2
25.2
53
128
Jun
35.8
26.5
69
216
Jul
32.3
26.0
85
379
Aug
32.0
25.7
86
269
Sep
31.0
24.5
86
235
Oct
30.0
21.2
77
68
Nov
27.6
16.6
65
4
Dec
24.4
12.3
57
2
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Forbesganj, adjusted for the town's elevation[5]. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]
Which greenhouse suits Forbesganj?
For hydroponic farm construction in Forbesganj, the structure decides which months you can crop and what it costs to run. Average highs stay at 33°C or more in March to June, with moderate humidity of about 48%. In that dry air, wet pads can bring a 37°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. Capsicum, cucumber and tomato do well in a naturally ventilated polyhouse with a shade screen. If you want one structure, decide by crop: greens all year point to Fan & Pad; vine crops point to a naturally ventilated house.
Plan for heavy rain in July (about 379 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank. A nethouse, the lowest-cost option, can grow hardy crops in February to March and October to December, when it is mild and fairly dry.
Hydroponic crops for Forbesganj
Based on Forbesganj's climate, the crops with the longest growing windows are mint (all year), coriander (11 months) and basil (11 months). Mint fits all year with Fan & Pad cooling. These are the crops we would plan first for hydroponic farm construction in Forbesganj.
Months each crop suits in Forbesganj
Crop
Naturally ventilated polyhouse
With Fan & Pad cooling
Lettuce
Nov–Feb
Sep–Apr
Spinach
Nov–Feb
Sep–Apr
Coriander
Oct–Feb
Jul–May
Parsley
Nov–Feb
Sep–Apr
Basil
Feb–Mar and Jul–Dec
Feb–Dec
Mint
Aug–Feb
All year
Cucumber
Feb–Mar and Jul–Nov
Feb–Nov
Tomato
Sep–Feb
Sep–May
Capsicum
Feb and Sep–Dec
Feb–Dec
Strawberry
Dec–Jan
Dec–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[6]
430 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.[6] Local demand in Forbesganj may be small for exotic greens, so plan where the rest of the harvest goes. Purnia, about 60 km away, is the nearest larger market on our list.
Hydroponic farm construction in Forbesganj with Kryzen
We have built 2 projects in Bihar so far (see our project map (opens in a new tab)). Forbesganj is about 1,410 km in a straight line from our Chhatrapati Sambhajinagar warehouse, our nearest site.
Towns near Forbesganj
We also plan and build farms in these towns near Forbesganj:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Hydroponic farm construction in Forbesganj: FAQs
Can a hydroponic farm run all year in Forbesganj?
Yes, with the right structure. For Forbesganj we would plan Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops. Even then, lettuce is hard to grow in May to August, so plan another crop for those months.
Which polyhouse is best for Forbesganj?
With May highs of about 37°C and 53% average humidity in that month, we would start with Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops.
Which hydroponic crops should I start with in Forbesganj?
Going by the monthly climate, mint, coriander and basil have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Does Kryzen build hydroponic farms in Forbesganj?
Yes. Our nearest site is our Chhatrapati Sambhajinagar warehouse, about 1,410 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 Forbesganj 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.
