In Otan Ayegbaju, March is the hottest month of the year, with an average high of 89°F and low of 71°F.

In Otan Ayegbaju, August is the coldest month of the year, with average lows of 67°F and highs of 79°F.

[4][5] Over the course of the year, Otan Ayegbaju suffers significant seasonal change in the average percentage of the sky covered by clouds.

[5][4] Beginning about 16 November and lasting for 2.9 months, the clearer season in Otan Ayegbaju ends around 13 February.

[4][5] Beginning around 13 February and lasting for 9.1 months, the cloudier period of the year ends around 16 November.

According to this classification, rain alone has a peak probability of 85% on 21 September and is the most frequent type of precipitation over the entire year.