When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Stornoway is typically greater than that of Indore. We can gather that this will continue over the next 27 days.
You can imagine temperatures to be in the 40 °C range in May. The weather in Indore is generally hotter than Stornoway's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.