Except for the heavy rainy season, expect pleasant, warm days and cool nights. Nairobi has numerous budget hotels, many of them centered between Tom Mboya Street and River Road. On a camping safari you get tents, foam mattresses, blankets. You stay in established camps, sometimes shared by one or two other small safari groups. Water for washing and occasional showers is available.
Safari food is basic, but tasty and filling.
Spaghetti, meat and vegetable stews over rice, Indian curries, omelets, sandwiches and delicious tropical fruit salads are some of the fare that keep you going while on safari. As with any business, some safari outfits are better than others. Take a day or two to ask other travelers around Nairobi cafes and hotels for recommendations. Generally, the longer the safari the lower the cost per day. Make sure you deal directly with an established safari company with its own vehicles, instead of an agent.