Funeral attire-help

[Steeleydan]

Funeral attire
Iam.attending a funeral on 1st July,well it's the church service after family have been to crematorium.
I had my outfit planned, black smart jeans,black camisole top,long line brocade coat thats purples and greens.
Now the weather is scorching, I don't know what to wear, I have black flowery dresses but more suited to evening things, I have a white zara broadranglaise short shirt dress, ive got pink and green flowery summer dresses,but not sure thats appropriate. Black top and cream and black dressy shorts?
Please help, iam useless! Can post pics of stuff when I get home

Not sure the exact material, it's not lycra, it's a bit stretchy a bit like a light weight jersey fabric, it says 95% viscose 5% elastene

Usually churches are cold! Its at 2.30!

I wouldn't.

My Dads funeral was this week. I wore a cream monsoon top and black skirt. I didnt care what people wore, one relative wore very summery attire but it was really hot and I appreciated the huge journey she had made to remember Dad.

UPDATE:
Ive found a nice navy summer dress on Amazon and it should be here tomorrow!
Next question are black shoes ok with navy blue? I definitely havnt got any navy shoes. I have other neutral ish colours, a contrast maybe? Ill line up my other choices later and take pics,and let you guys advise

You might get something in Primark