Hi royal45

I am listing you some basic information like climate & cost of living in Khartoum. If you have any further queries do not hesitate to ask on the forum.
Here are the price of some basics things and now it up to you to calculate your cost of living there:
RestaurantsMeal, Inexpensive Restaurant
4.96 聙Meal for 2, Mid-range Restaurant
17.16 聙Combo Meal at McDonalds or Similar
11.44 聙Coke/Pepsi (0.33 liter bottle)
0.19 聙Water (0.33 liter bottle)
0.19 聙 Markets Milk (regular), 1 liter
1.22 聙Loaf of Fresh Bread
1.14 聙Eggs (12)
1.33 聙Fresh Cheese (1kg)
19.06 聙Chicken Breasts (Boneless, Skinless), (1kg)
4.57 聙Water (1.5 liter bottle)
0.46 聙Pack of Cigarettes (Marlboro)
3.05 聙 Transportation One-way Ticket (local transport)
0.38 聙Taxi (5km within center)
4.66 聙Gasoline (1 liter)
0.50 聙 Utilities (Monthly) Basic (Electricity, Gas, Water, Garbage)
114.37 聙1 min. of Prepaid Mobile Tariff (no discounts or plans)
0.08 聙Internet (2 Mbps ADSL flat)
40.03 聙 Rent Per Month Apartment (1 bedroom) in City Centre
400.30 聙Apartment (1 bedroom) Outside of Centre
355.83 聙Apartment (3 bedrooms) in City Centre
1,010.29 聙Apartment (3 bedrooms) Outside of Centre
695.77 聙 Buy Apartment Price Price per Square Meter to Buy Apartment in City Centre
11,437.29 聙Price per Square Meter to Buy Apartment Outside of Centre
762.49 聙Climate in KhartoumThe weather in Khartoum is very hot in the summer months, with temperatures ranging from the high 80s up to 120 F. During the winter months, it is cooler and dryer, with temperatures between 70F and 90F. The rainy season runs from July to September, bringing the temperatures down a little.
Regards!
Source: Numbeo, Cost of Living in Sudan