Just looking at some photos of Chiang Rai from march 2015---here's link to google maps street pic----

https://www.google.com/maps/@19.9063714,99.8388978,3a,75y,255.42h,83.81t/data=!3m6!1e1!3m4!1sS7ROBDjV0UF228I5CLdBCg!2e0!7i13312!8i6656!6m1!1e1?hl=en

weather was always warm to hot and sunny---thinking may return and rent house for about $400 u.s. per month--but--- may choose Chiang Mai as its a bit more civilized with more to see and do --especially like the zoo and swim club there---but   wont return til spring 2016 at earliest--